Cigarette Lighter Socket Panel Splitter 4 in 1 12/24V USB Output for Quality Control 3.0 Car Charger with Dual USB Port Voltmeter Toggle SwitchFeatures:4-in-1 Design: Designed with 12v qc3.0 socket + LED digital voltmeter + 12v cigarette lighter socket + LED rocker toggle switch, this 12v switch panel can fit all your needs. You can also replace it with other charger sockets as it can be freely replaceable. Dual for QC 3.0 12v USB Output: Upgraded high-quality dual for QC 3.0 12V socket helps you charge two compatible devices at the same time up to 4 times faster than conventional charging. With LED real-time voltmeter and LED rocker switch: voltage indicator and high voltage warning to show the battery status while riding. The switch is a good addition to keep the battery running. The extra cigarette lighter socket is portable for other devices in the car. Each standard