Features: 【3 in 1】This socket panel is designed with USB outlet, LED digital display voltmeter and lighter outlet. And it has an ON/OFF switch to save power, protect the device and prolong the life of the device. 【Dual USB Ports】The charger has dual 5V 2.1A USB ports, which can simultaneously charge USB devices such as mobile phones and tablets to meet the simultaneous use. 【Lighter Socket】One lighter socket can offer DC 12V power and charge dash camera, GPS, seat heater, vacuum cleaner, car humidifier, air pump, air purifier, etc. 【Smart Voltage Monitoring】This charger will detect the battery voltage in real time to avoid breaking down halfway. If the car voltage is lower than 12V, please maintain the battery. 【Wide Application】It works with most DC 12V/24V motorcycles and car powered devices: car, boat, marine, ATV, RV, etc. And it will provides protection against overcurrent, short circuit, overvoltage, overdischarge, overcharge, overheating. Specifications: Material: PC Color: Black Voltage display color: Red, green, blue Size: (Approx)(LxW) 19x4.3cm/7.5x1.7inch Input voltage: 12-24V Output voltage: 5V Package Included: 1 x Car Lighter Socket 8pcs x Terminals 4pcs x Screws Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.