HT Instruments DM40 专业数字激光测距仪（0.05÷40m;±1.5mm）

Distance measurement: 0.05 ÷ 40m; ±1.5mm

Air humidity measurement with internal sensor: 0%RH ÷100%RH; ±5%RH

Sizes (L x W x H): 110 x 46 x 28mm

Weight (included battery): 100g

Internal supply: 2x1.5V batteries alkaline type AAA LR03

Battery life: max 4000 measurements

Auto Power OFF: 180s (meter) ; 30s (laser pointer)

Laser pointer: class 2 according to IEC/EN60825-1

Display: triple LCD, 5 dgt with backlight

Datasheet 

Manual