Rotary laser series bosch grl laser class 2 max range with receiver 500 m max range without receiver 20 m measuring functions vertical horizontal protection class ip 56 weight 300 g operating temperature 10 c 50c battery life 25h power supply battery operation display without tripod thread 58 inch dimensions 217 x 194 mm speed of rotation rpm 600 self levelling range 57 included in delivery bracket charger transport bag tr