... .8V,7Ah.External power supply:Rated voltage 12VDCCigar lighter of car outputCharger:Input: AC100~240V, 50/60Hz;Output: DC16.8V, 2A. ... unit.Weight:2.4kg for the main unit.Receiver:Signal input:Internal receiving loopClamp1kHz Mini Sensor8kHz Mini SensorA Frame supportReceiving frequency ... ×240 LCDInternal battery:Lithium cell battery, 7.4V, 7Ah.Charger:Input: AC100~240V, 50/60HzOutput: DC 8.4V, 2A/3A. ...