... resistanceBattery supply,low consumption,sign for low battery indicationAnti-shock, dust-proof and damp- ... 1 mA(500V)≥1 mA(1000V)≥1 mA(2500V)≥1 mA(5000V)Withstand VoltageAC3kV 50Hz 1minOperating Temperature& Humidity Power supply1.5V (R6,AA Battery ... ), 8PCS or Li battery 1 ...