... rangefinder 1.high accurate ,40m range 2.easy operation easy-to-read number 3.CE,FDA,Rohs complies. laser digital rangefinderPD ... Range (use target plate for longer)0.05 m to 40 mMeasuring accuracy up to 30m (2σstandard deviation, in the room)Type ... √Addition / grand total √Battery life, Type AAA, 2×1.5VUp to 5000 measurementsDimension and weight116*58*30 mm, 140gTemperature rangeStorageOperating-25 ...