Feature:1. ON Off Switch: Motorcycle SAE to USB charger with independent power switch saves power and protects your device from draining the battery.2. Waterproof: Dustproof USB charger cover to protect the internal circuit and effectively improve the service life of the charger.3. Fast Charging: Dual USB QC3.0 super fast Charger can charge 2 devices at the same time, charging 4 times faster than traditional chargers.4. Built in Voltmeter: Automatically monitor the battery and electrical system and display the voltage on the screen, you will know the battery status while driving.5. Safe Protection: The car charger adapter provides overcharge, overvoltage, overcurrent, overheating and short circuit protection.Specification:Item Type: USB chargerMaterial: ABSVoltmeter Color: RedInput Voltage: DC 12VDetectable Voltage Range: 6-30VOutput Voltage: 5V3.4A, 9V2.5A, 12V2A.Package List:1 x USB Charger1 x Bracket Kit1 x Sticker1 x Bracket Screw1 x Nut3 x Screw2 x Manual