Benetech GM65 Optical Power Meter

Features 1.6 optic wave length for selection --- 850nm/1300nm/1310nm/1490nm/1550nm/1625nm; 2.Universal optic interface design; 3.Reading unit switching between absolute power and relative power; 4.Battery volume display; 5.Auto power off (optional); 6.Light, mini size and low power consumption.   Specifications  Measuring range -70dBm ~ +6dBm Wave Length 850nm，1300nm，1310nm，1490nm，1550nm，1625nm Resolution 0.05 Accuracy ≥-48dBm，±2dBm≤-48dBm，±3.5dBm Operationenvironment≥-48dBm Temperature：0~40℃（32℉~104℉）Humidity：5~95% Operationenvironment≤-48dBm Temperature：0~32℃（32℉~89.6℉）Humidity：5~80% Storageenvironment Temperature：0~40℃（32℉~104℉）Humidity：5~95% Auto power off time 10 minutes Dimension 34x114x17.5MM Power 1.5V AAA*2 Weight 59.22g Including Battery   Packing List Blister packaging*1 Host*1 1.5V AAA battery*2 Instructions*1