・Main body size・Weight: 20mm x 110mm x 20mm・15g ・Operating voltage range: AC80V to 600V ・Operating indicator: Buzzer sounds, LED lights ・Insulation strength: AC2000V 1 minute, between the electric test part and the clip ・Battery d: Alkaline button battery LR44 x 2 (不包括电池。请单 准备) 电池寿命:连续工作条件约3小时 工作温度范围:0℃至40℃