b' Features: 2 Sockets controlled by 2 individual switches, and 2 USB ports can be used simultaneously, compatible with most smartphonbes and tablets. Built-in intelligent control core, with over-current, over-load, over-heating , over-voltage and short-circuit protections. With battery voltage detection, the car battery voltage will display on the device after you start your car, the alarm will warn you if the voltage less than 12V. Compatible with most 12-24V car, small car, truck and SUV. This car socket adapter can be plugged into the car cigarettes lighter without extra-wires, bring more convenience to you. Specifications: Material: ABS-material Size: Approx. 13x7cm/5.11x2.75 Input Voltage: 12V-24V USB Output: Smart2.4Amp current output port, QC3.0 port Working Temperature: 0-60 Total Power: 150W(Max-power for all ports) Display: Yellow LED Number Automotive fuse10A USB port protections current: 5.3A +/-0.2 error Note: Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions. Package includes: 1x Car Charger Adapter'