【Upgraded Design】Designed with an newest ON/OFF touch button, SunnyTrip 12V / 24V USB car charger 2 ports can control USB charging ports and LED voltmeter together flexibility, which keeps you away from the hassle of repeated plugging & unplugging the charging cord and helps you protect your battery.

【Dual USB Car Charger】Dual USB charging ports with single output of 2.4 A (total 4.8A) enables you chargers 2 devices at high speed simultaneously. Moreover, the built-in smart charging IC will auto detects your devices' current and power demand then chargers your devices at optimal speed, protects your devices get overcurrent and hot.

【Digital LED Display】 SunnyTrip 12 volt usb port for car equipped with a blue integrated LED volt meter which can monitor the vehicle's battery and enable you know the health of battery while driving then avoid voltage abnormal issue.

【Waterproof Design】It designed with a rubber USB cap which enables it waterproof and dust-proof, better protects its internal circuit and enhance its lifespan effectively. Excellent accessories for almost all 12V-24V vehicles, marine, ATV, motorcycle, bike, truck, Golf Cart, RV, Boat, SUV, etc.

【Easy Installation】SunnyTrip usb charger socket size fits most vehicles' dash panel. Just open a hole about 3cm diameter. And connect this socket "+" to fuse box for electricity, "-" to negative pole. Then put the socket in and screw it tightly. 2 years warranty is provided by seller.