What the figures leave us with Ten dollars for a bubble level with a laser in it and a tape on the side — three line modes on one slider, three vials including a 45° that nothing else here offers, and graduations to 1/32 of an inch. For picture rails and shelf brackets that is enough. It publishes no accuracy, no range, no laser class and not even the color of its own line, which is the one thing this shelf's introduction opens on.
What the maker puts in writing
One slider on the front switches vertical line, horizontal line and cross
Three bubbles: one level (0°), one plumb (90°), one 45°
An 8-foot tape with imperial and metric graduations, down to 1/32” and 1 mm (0.04 in)
For hanging shelves, cabinets, tiles and picture frames
No accuracy. No self-leveling. No diode color. No laser class. No range. No
mounting point.
Four of five columns empty
This shelf’s introduction compares five things.
Diode color. Number of lines and planes. Stated accuracy per meter.
Self-leveling range. Pulse mode.
This listing answers the second — three modes — and publishes nothing for the
other four. Not even what color the line is.
Judge it as a bubble level with a laser attached. That is what it is, and at ten
dollars that is a reasonable thing to be.
The forty-five is the useful vial
More than the other two.
Level and plumb can be checked against the world — a door frame, a window reveal,
a wall edge. And most people already own a spirit level.
Forty-five degrees cannot be judged by eye at all. It is the angle on a diagonal
tile run, a brace, a stair nosing, a mitred shelf.
Three vials for ten dollars, and the 45 is the one you would miss.
A tape in the same hand
Which nothing else on this shelf has.
Eight feet, graduated to one thirty-second of an inch and one millimeter. That is
a real graduation, not a round claim.
Mark the height, draw the line, without putting the tool down.
Eight dollars more
Buys a different class of tool.
The eighteen-dollar laser on this shelf publishes a self-leveling range of
4° ± 1°, ±1/8 inch at 30 feet, IP54, four feet of drop protection, two AA cells
and a case.
On anything beyond a picture rail, that is the better purchase.
This one is for a ten-dollar budget, a tape in the same hand, or a line that is
meant to sit at 45° with no pendulum involved.
Availability
On sale at around 10 € on the American Amazon store at the time of checking.
Prices and availability are what Keepa reported on the date this page was updated; both move.
Prices quoted in this text were read on 8 October 2026. The live price is at the top of the page.
What it has, and what it lacks
Strengths
Ten dollars, the cheapest laser on this shelf
A 45° bubble, which is the angle nobody judges by eye
Three line modes on one front slider
An 8 ft tape graduated to 1/32 in and 1 mm (0.04 in)
Nothing to charge and nothing to level itself wrongly
Small enough to hold against a wall in one hand
Compromises
No accuracy figure of any kind
No diode color and no laser class
No laser range published
No self-leveling, and no self-leveling range to miss
No mounting point mentioned at all
One of five bullets is the maker praising itself
Specifications
Measuring mode
NOT self-leveling. Three bubble vials are stated — one level at 0°, one plumb at 90° and one at 45° — for determining the horizontal and vertical plane. A 45° vial is unusual and genuinely useful on a diagonal: it is the one angle nobody can judge by eye
Functions
One slider on the front switches between vertical line, horizontal line and cross, stated. A single front-mounted control is the right design on a tool held against a wall with one hand
Scale
An 8 ft (2.5 m) tape built in, with imperial and metric graduations down to 1/32 inch and 1 mm (0.04 in). It is the only tape on this shelf, and 1/32 inch is a real graduation rather than a round claim
Stated accuracy
NOT PUBLISHED. No tolerance, no accuracy per meter and no self-leveling range appears anywhere. This shelf's introduction makes accuracy per meter and self-leveling range two of its five comparisons; this listing answers neither
Illumination
Not published. No diode color, no wavelength, no laser class and no stated power. Of the six lasers on this shelf, this is one of only two that never say what color the line is — and this shelf's introduction opens on diode color as the visible difference between two lasers
Stated dimension or range
No laser range is published. The 8 ft figure is the tape, not the beam
Reference and mounting
Not published. No tripod thread, no magnet and no bracket is mentioned, and this shelf's buying tip says a line laser is only as level as what it stands on
Also stated
For hanging shelves, cabinets, tiles and picture frames. The fifth of five bullets is the maker recommending itself
Amazon reference
B07WP4165D
EAN
0632202720334
Where this one lands in its group
At $10, it is the 1 cheapest of the 6 models in this category published here.
Cheapest in the group$10
Median$38
Dearest in the group$88
What gets asked here
What does ten dollars not buy?
Every figure the shelf compares except the line count. This shelf's introduction lists five: diode color, number of lines and planes, stated accuracy per meter, self-leveling range, and pulse mode. This listing answers the second — three modes, horizontal, vertical and cross — and publishes nothing for the other four, not even what color the line is. What it does publish is the tape: 8 feet, graduated to 1/32 inch and 1 mm (0.04 in). Judge it as a bubble level with a laser attached, which is what it is.
Is the 45° bubble useful?
More than the other two, oddly. Level and plumb can both be checked against the world — a door frame, a window reveal, a wall edge — and most people have a spirit level already. Forty-five degrees cannot be judged by eye at all, and it is the angle that comes up on a diagonal tile run, a brace, a stair nosing and a mitred shelf. Three vials at 0°, 90° and 45° is a sensible set for ten dollars, and the 45 is the one you would miss.
Should I buy this or the eighteen-dollar laser?
Eight dollars more buys a published self-leveling range of 4° ± 1°, ±1/8 inch at 30 feet, IP54, four feet of drop protection, two AA cells and a case. That is a different class of tool and on any job beyond a picture rail it is the better purchase. This one earns its place where ten dollars is the budget, where the tape in the same hand is the point, or where the line is meant to be set at 45° and no pendulum should be involved.
Against the measuring instruments in the same bracket
Same category, nearby prices, between measuring instruments. What remains is the specifications every one publishes — half empty, a column is no use.
Model
Price
Measuring mode
Functions
Illumination
AikTryee Manual cross-line laser with an 8 ft tape
$10
NOT self-leveling. Three bubble vials are stated — one level at 0°, one plumb at 90° and one at 45° — for determining the horizontal and vertical plane. A 45° vial is unusual and genuinely useful on a diagonal: it is the one angle nobody can judge by eye
One slider on the front switches between vertical line, horizontal line and cross, stated. A single front-mounted control is the right design on a tool held against a wall with one hand
Not published. No diode color, no wavelength, no laser class and no stated power. Of the six lasers on this shelf, this is one of only two that never say what color the line is — and this shelf's introduction opens on diode color as the visible difference between two lasers
Two modes on a slide switch: self-leveling, with a stated leveling and compensation range of 4° ± 1°, and manual, which deactivates self-leveling and locks the cross at any angle. Beyond the range the laser flashes to indicate out of level. It is one of only two lasers on this shelf to publish a range in degrees, which this shelf's introduction calls the specification that decides whether the tool is usable
No pulse mode is published, so a receiver will not find this beam. One laser on this shelf has one
A red cross line across a 110° fan angle, stated bright and clear — and RockSeed makes the argument for red rather than apologizing for it: lower energy consumption and longer battery lifespan. This shelf's introduction is even-handed about the trade, since a green line reads brighter and drains faster
NOT SELF-Leveling. Leveling is by bubble vial, and the angle is set on a dial reading from 15° to 75°. This shelf's introduction treats the self-leveling range as the specification that decides whether a tool is usable; on this laser there is none, and that is the design: a dial you set deliberately beats a pendulum you have to fight when the line is meant to be sloped
No pulse mode, no stated accuracy per meter and no ingress rating. Built-in bubble vials are stated to ensure more accurate leveling, without a figure
Three laser lines from one switch — horizontal, vertical and cross — at an exacting 90° to each other, stated. Class II with a maximum output under 1 mW, which is the lowest power on this shelf and the reason the stated reach is 30 ft rather than 100
Self-leveling within ±4°, with the line flashing continuously beyond that — stated, and Motovera adds that the flashing is a safety feature and not a malfunction. A manual mode locks the pendulum for sloped staircases and custom angles, and the laser then flashes once every five seconds as a reminder that the lines are no longer a level reference
A PULSE FUNCTION, stated — the only one on this shelf. This shelf's introduction lists it as the fifth thing to compare, and it is what makes a line laser usable in daylight: the beam is modulated so a receiver can pick it out of sunlight at a distance the eye cannot. This site carries a laser receiver shelf, and this is the only laser on this shelf a receiver will work with
A green laser diode stated 4× brighter than standard red, visible indoors to 100 ft, across a 110° projection angle, with FOUR brightness modes. Four settings is unique here: a green line at full power is dazzling in a dark room and barely enough in a sunlit one
What the models do not share, in measuring instruments
If price decides: this model, at $10.
Highest Measuring mode in the table: Prexiso Manual cross-line laser, 30 ft, angle dial 15°–75° (NOT SELF-Leveling. Leveling is by bubble vial, and the angle is set on a dial reading from 15° to 75°. This shelf's introduction treats the self-leveling range as the specification that decides whether a tool is usable; on this laser there is none, and that is the design: a dial you set deliberately beats a pendulum you have to fight when the line is meant to be sloped).
This one’s price among measuring instruments
Details checked on October 8, 2026.
Who should pick this one, among measuring instruments
Hanging pictures and shelves at home, where ten dollars and a tape in the same hand is the whole requirement
What buyers actually choose
Amazon reports what buyers took in the month before this page was last checked: at least 7,000.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Sources
Specifications: the manufacturer sheet for measuring instruments and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
± 0.4 mm (0.02 in)/m stated · 1 × 360° horizontal + 2 vertical · plumb point · tripod included
The cheapest laser in this hub that publishes an accuracy figure: Bosch states ± 0.4 mm (0.02 in)/m for the lines and ± 1.0 mm (0.04 in)/m for the plumb point, with a TT 150 tripod in the box.
Best for: The first laser in this hub you can actually compare to another one, because it publishes the number that comparison needs.
Sold as a GREEN beam up to 4× brighter than red — and the same page publishes 630–650 nm, which is RED · IP55, the highest rating here · Smart Pendulum self-leveling with NO range published · the title says 50 ft and the description 65 · the accuracy bullet says 5/16 in at 30 ft and the description 1/4 in · integrated magnetic mount · 2 AA or a 3.7 V Li-ion pack
The best-built laser on this shelf, on a page that contradicts itself three times — including about the color of its own beam.
Best for: A wet or dusty site where IP55 and a Bosch battery platform matter more than a tidy datasheet
A 360° HORIZONTAL PLANE — the only one on this shelf, where the others project a 110° fan · self-levels within ±4.5°, the WIDEST published range here · 3 brightness levels · green, 100 ft, Class II under 1 mW · IP54 with a TPE cover · and the fullest kit on this shelf: a 17.3–63 in tripod, a magnetic L-bracket AND a green laser target · NO accuracy figure published
The only laser here that throws a full horizontal circle, with the tripod, the bracket and the target all in the box.
Best for: A whole room at once — suspended ceilings, tiling round four walls, a run of cabinetry