Kiprim 393ft Dual Laser Distance Measuring Tool LD120S, 120m Total Range, Electronic Level, Precise Measurements, and Pythagorean Function - Ideal for Construction, DIY, and Home Renovation

Why a dual-laser measurer matters on real jobs

I brought the Kiprim LD120S onto a renovation where I was juggling room layouts, trim runs, and some quick takeoffs. The pitch is simple: two lasers in one handheld unit that can measure in opposite directions at the same time, an electronic level for alignment, and the usual area/volume/Pythagorean math baked in. In practice, that dual‑laser setup did save time. Laying out a room, I could capture length in one direction and width in the other without flipping the tool around or re-zeroing. It sounds minor, but over a day of moving between spaces, those seconds add up.

This isn’t a ruggedized brick; it’s a compact, lightweight tool that fits a pocket or pouch easily. The body is plastic but doesn’t feel flimsy, the buttons are spaced sensibly, and the backlit display is readable indoors and in dim corners. The interface sticks to the essentials without burying critical functions three menus deep. That’s welcome on a busy site.

Setup and interface

Out of the box, I set the reference to the base of the tool (you can switch between measuring from the front or back), toggled units to feet and inches, and got to work. The LD120S stores up to 30 measurements, which is enough to capture a room’s worth of dimensions before you need to jot them down or clear the memory.

Taking a reading is straightforward: set your reference point, hold the tool steady, and press measure. If you’re coming from more advanced survey gear, the LD120S won’t overwhelm you with modes. If you’re used to a simple point-and-shoot laser, there is a small learning curve to access the math functions and to ensure you’re in the right measuring mode for live tracking versus single-shot captures. Once I got that muscle memory, it became quick.

Tip: Before precision work, double-check your reference setting (front/back) and confirm the electronic level reads level when you expect it to. Most “laser is off” issues I see on site are actually reference or alignment issues.

Accuracy and consistency

Kiprim rates the LD120S at ±2 mm, which is in line with midrange laser measurers. Indoors, measuring to flat, matte surfaces, I saw consistent results—tight enough to cut trim with confidence and square up cabinet runs. Short throws (under a foot or two) are especially sensitive to how you reference the unit and to surface quality; that’s true with any laser measure. If you’re measuring a small gap, use a firm, flat target and ensure you’ve selected the correct reference edge. When I did that, the tool held its numbers.

Outdoors is where physics shows up. In bright sun, visible dots are hard to see and the effective measuring distance shrinks. From my testing on a sunny day, the LD120S could struggle pushing past long distances when the target was bright and non-reflective. Move into shade, use a target plate/card, or aim at a darker, solid surface and it settles down. If your work regularly depends on long outdoor shots in full sun, a more specialized laser with a stronger beam, optical viewfinder, or a detector would be a better fit. For general exterior tasks—deck layouts in the shade, fence spans when you can place a target—this unit does fine.

Dual-laser workflow in the field

The biggest win here is speed during layout. Examples where the dual heads helped me:

• Capturing a room’s two principal dimensions from the doorway without moving my feet.
• Checking hallway runs forward and behind to center a light fixture.
• Verifying equal distances to split a wall for shelving or panels.

Because both lasers fire in opposite directions relative to the tool, your body position matters. You’ll get the cleanest results when both targets are similarly reflective and not washed in sun. If one side is problematic (glass, open sun), I just take single-direction readings like a conventional laser.

Electronic level and Pythagorean functions

The electronic level is more than a gimmick. For installs that rely on plumb and level—shelf brackets, appliance alcoves—it’s reassuring to see both the level readout and the distance change together. It helps avoid the classic mistake of measuring off a skewed line.

The Pythagorean mode (indirect measurements from two or three shots) worked best when I braced the tool against a stable surface and took my time with the sequence. It’s handy for quick height checks or inaccessible spans where you can’t shoot directly. Like all trig-based features, accuracy depends on discipline: steady hand, correct sequence, and sensible targets. With that, I got results within a couple of millimeters of tape checks.

Battery, charging, and data handling

It’s rechargeable, which I prefer over swapping coin cells or AAAs. On a moderate workweek of intermittent use, I didn’t have to top it up. The battery indicator is honest enough that I wasn’t surprised by any sudden shutoff. For anyone on survey-heavy days, carry a power bank and you’ll never worry.

The 30-measurement memory covers routine tasks—room dimensions, cut lists, a handful of elevation checks. I do wish there were a way to tag or label saved distances or export them, but that’s a feature typically reserved for pricier models with Bluetooth apps. Here, you scroll, recall, and work, which is simple and fast in the moment.

Build and ergonomics

The LD120S is compact and light, with an ergonomic shape that sits well in one hand. The display is bright and legible, even at angles. Buttons have a positive click. I wouldn’t call it drop-proof; I treated it like any precision instrument, keeping it in its pouch when not in hand. The laser is Class II—a standard, low-power rating—but it’s still a laser: don’t stare into the beam and be mindful around bystanders.

Limitations and quirks

• Bright sunlight reduces effective distance. Use a target plate, shade the target, or move later in the day.
• Short-range precision depends on correct reference selection and target quality. For tight carpentry, square the tool against a firm edge and confirm the reference icon on-screen.
• The interface prioritizes straightforward point measurements. Live tracking exists but isn’t front-and-center; set the appropriate mode if you want the reading to update continuously as you move.
• No Bluetooth/export. If you need automated takeoffs to CAD or a notes app, you’ll want a different class of tool.
• Memory tops out at 30 entries. Manage your list or you’ll overwrite older shots without realizing it.

None of these are deal-breakers for the intended use, but they’re worth knowing before you rely on it for critical measurements.

Who it’s for

• DIYers and remodelers who want faster room measurements and a tidy way to grab areas and volumes.
• Trades who do frequent layout checks—finish carpenters, flooring installers, electricians—where ±2 mm is plenty and speed matters.
• Pros who do mostly indoor work or outdoor measurements in controlled conditions (shade/targets).

Who might look elsewhere: survey-heavy users working long distances in full sun, or anyone who needs app connectivity for documentation workflows.

Practical tips for better results

• Carry a small matte target card; it improves both range and consistency.
• Set your reference (front/back) at the start of a task and leave it there to avoid mix-ups.
• Brace the tool. Door jambs and studs make great impromptu tripods.
• Use the electronic level to verify you’re square before trusting a critical measure.
• For indirect (Pythagorean) shots, take a second pass and compare; if both agree, you’re good.

Recommendation

I recommend the Kiprim LD120S for anyone who wants a fast, compact, and accurate laser measure primarily for indoor work and shaded outdoor tasks. The dual-laser design genuinely speeds up layout, the electronic level helps avoid alignment errors, and the tool hits its ±2 mm spec reliably when used with good technique. Battery life is solid, the display is easy to read, and the built-in math functions cover most jobsite needs without adding complexity. Its limitations in bright sunlight and lack of Bluetooth won’t matter to many users, but they’re real considerations for long outdoor shots or app-heavy workflows. If your work fits the intended use, the LD120S is a smart, time-saving upgrade over a single-beam pocket laser.