Features Wide Compatibility: The product has a super current which can supply power to mobile phones tablets navigation GPS etc. Waterproof:Waterproof and dust-proof cover for USB.Great for outdoor usage. Protection Functions: Input overvoltage undervoltage protection; output overcurrent overvoltage undervoltage short circuit protection; reverse connection protection; chip internal. Material:This USB charger is made by ABS environmental protection material which is fire-retardant high and low temperature resistant and anti-corrosive charging faster and more secure. After-sales Service:If you have any problem please contact us immediately we will help you solve it as soon as possible. Specification: Material:ABS USB Output Voltage: 5V Input Voltage: DC 8-24V Cable Length:110cm Adapter Size:3.3*2*5.5*2.8cm includes: 1*Charger Adapter "