LED voltmeter with integrated USB charging socket 12V / 24V

LED voltmeter with integrated USB charging socket. The display can be switched on or off via an ON/OFF touch switch. Includes protective rubber cap with recess for reading the voltage.Input: 12V / 24VOutput USB-A: QC 3.0 (3.6V - 12V, max. 18W)Hole diameter drilling: ø 29 mm.Two in one: voltmeter and USB charging socketLED voltage indicatorFeatures ON/OFF touch switch for the displayWith integrated protective capOperation with 12 V and 24 V devices possible