Full Protection Power Strip: CE and RoHS certified. 12V car charger with overcurrent, overheat, and overcharge protection. Rocketek's waterproof car charger strip automatically shuts off when overloaded, preventing your device from overheating and overcharging. 【Multifunctional Design】Multifunctional strip with two USB sockets helps you get rid of tangled cables and make your car cleaner. The Rocketek switch strip features a 4-in-1 design with two 4.2A USB charging ports, 1 x digital LED voltmeter, 1 x 12V cigarette lighter socket, and 1 x LED rocker switch. The perfect control panel that always responds to your machine and the charging process. 【Digital LED Voltage Monitor】The USB socket panel displays the current detected by the intelligent circuit during charging in real time. The real-time LED voltmeter can remind you whether the voltage is at the normal level to ensure driving safety. It helps you monitor the electrical safety of your machine and allows you to easily find and