Features: 1.There are a variety of protection functions, input overvoltage, undervoltage protection; output overcurrent, overvoltage, undervoltage, short circuit protection; reverse connection protection, chip internal high temperature protection. 2.USB1 outputs 5V 2.4A and supports DCP BC1.2/for iOS Divider3/for Samsung 1.2V. And it is fully compatible with a variety of tablets. 3.The USB 2 output voltage is available in 5V3.4A, 9V2.5A and 12V2A three output options. 4.It can be installed on car, motorcycles, ATVs, RVs, for SUVs, boats, yachts, etc. 5.Made of ABS material, high and low temperature resistant, anti-flame retardant, environmental protection material. It can be used in -20-80 environment and the safety factor is very high. Specification: Condition: 100% Brand New_x000D_ Item Type: Fast Charge Dual USB Charger for QC 3.0_x000D_ Material: ABS_x000D_ Color: Black_x000D_ Hole-Cutting Size: Approx. 2.9cm/1.1in_x000D_ Input Voltage: DC12V-24V_x000D_ Normal Output: 5V/2.4V_x000D_ Fast Charge Output: 5V/3.4A; 9V/2.5A; 12V/2A_x000D_ Maximum Power: 30W_x000D_ No-Load Power: 0.18W_x000D_ Working Temperature: The lowest is -20 C, the highest is 80C_x000D_ Waterproof Rating: IP66_x000D_ Product Usage: Be used to provide power supply for most mobile products such as mobile phones, tablets,for pad, navigation and GPS._x000D_ Range of Application: Can Be Installed on Car, Motorcycles, ATVs, RVs, for SUVs, Boats, Yachts, Etc._x000D_ Wiring Method:_x000D_ '+'Connects to the positive pole of battery or positive wire of vehicle_x000D_ '-'Connects to the negative pole of battery or any negative wire of the vehicle PackageList: 1 x Dual USB Car Charger1 x Red and Black 60cm/23.6in Wire