Specification:Sensing range50/100m Unusable area< 0.5/0.8 m Max error0.3%, 1mmDisplay Key board 5 sensitive key Work temperaturenormal work pressurenormalOutput RS232Power9V AA batteryor DC 12VWork current35mA Cable 10mDegree : instrument IP63 sensor:IP68Weightinstrument: 0.3Kg , sensor: 1.2Kg