Accurate and Fast Measuring – Up to 165ft (50m)
Measure instantly with ±2mm high accuracy. Perfect for measuring walls, furniture spacing, or room dimensions with one click. No more guesswork with a tape measure.

All-in-One Functions: Area, Volume & Pythagoras
Quickly calculate area or volume for flooring, painting, or tiling. Use Pythagorean mode for indirect height or diagonal measurements – ideal for sloped ceilings or wall-mounted shelves.

User-Friendly Design for Everyday Use
Simple button layout with intuitive icons. Large backlit LCD makes it easy to read in dim environments. Auto shut-off after 150s to save battery life. Powered by 2x AAA batteries (included).

Multi-Unit Display & Memory Function
Easily switch between feet/inch/meter display modes. Store up to 99 sets of data for reviewing or comparing different spaces. Long-press to save, short-press to delete – efficient and smart.

Compact, Durable & Ready to Go
Lightweight handheld size fits in any toolbox or pocket. Includes batteries, wrist strap, and pouch – ideal for homeowners, renters, DIYers, realtors, or inspectors.

ITEM	LDM-50D	LDM-50S
Working Range	0.05-50m	0.05-50m
Precision	±(2mm+d*1/10000)*	±(2mm+d*1/10000)*
Continuous Measurement	√	√
Area/Volume Measurement	√	√
Pythagorean Measurement	√	√
Add and Subtract Measurement	√	√
Area &Volume Addition/Subtraction	√	√
Min/Max Value	√	√
Self-Calibration	√	√
Voice Prompt	√	√
Laser Level	II	II
Laser Type	630-670nm, <1mW	630-670nm, <1mW
Max Storage	99 units	99 units
Automatically Cut off Laser	20s (single measurement)	20s (single measurement)
Auto Power-off	150s	150s
Battery Life	8000 times for single measurement	8000 times for single measurement
Storage Temperature	-20˚C~60˚C	-20˚C~60˚C
Working Temperature	0˚C~40˚C	0˚C~40˚C
Storage Humidity	20%~80% RH	20%~80%RH
Battery	2x1.5V AAA	2x1.5V AAA
Dimension	112x50x25mm	108x50x25mm