... trade ♦ Advanced anti-reflective TFT LCD,visible clearly in field ♦ 1.6m extra-short event dead zone ♦ 0.25m high resolution ... SupplyDC: 15V∼20V(3A), (AC adapter 100∼240V,50/60Hz,1.5A),Built-in Lithium battery: 4400mAh,7.4V,operating time ... *60mmWeightabout 1kg Note1: pulse width 10240ns, average times≥300,SNR=1,23°C±2°C; Note2: Pulse width:10 ns, terminal reflection ...