The Bosch Professional Laser Measure GLM 20 for easy Distance measurement – easy, compact, for professionals
One button for everything – intuitive and easy measuring
Compact – easily fits into any pocket
Technical Data
Laser diode
635 nm, < 1 mW
Measurement range 0.15 – 20.00 m
Weight, approx. 0.13 kg
Measurement time, typical <0.5 s
Units of measurement m/cm, ft/inch
Laser class 2
Measurement accuracy, typical
± 3.0 mm* (*plus use-dependent deviation)
Power supply
2 x 1.5 V LR03 (AAA)
Automatic deactivation 5 min
Battery lifetime, individual measurements, approx. 5,000
Battery lifetime, operating time, approx. 5 h
Laser colour Red
Measuring range, up to 20 m