Manufactury Portable Mini Laser Distance Measurement Meter 40m 

1. Color: YELLOW(can be customized)
2. Pythagoras function for remote measuring of height or length
3. Addition / Subtraction calculation, Area/volume measurement
4. Backlit display shows multiple readings
5. Audible alarm
6. Auto laser switch off after 60 sec's
7. Auto Power Off after 60 sec's no activity
8. Measuring distance: 0.05-80m
9. Accuracy: ±1.5mm / ±0.06in
10. Measurement units: m/in/ft
11. Laser Type: Red laser, 635nm, <1mW, Class II
12. Operating temperature: 0-40'C,(32-104'C)
13. Powered by 2 x AAA batteries
14. Dimensions: 110mm*47mm*27mm
15. Weight: 75g