Feature:1. High Quality Material: Motorcycle USB adapter is made of high quality ABS material, high and low temperature resistant, flame retardant.2. Dual USB Port: Motorcycle dual usb charger can simultaneously power two electronic devices such as mobile phones, tablets and GPS.3. Mutiple Protection: Overvoltage, undervoltage, over current, short circuit, overload, reverse connection, high temperature protection.4. Wide Application: The charger can be installed on the DC12‑24V cars, motorcycles, ATVs, SUVs, boats and other transport tools.5. Dustproof Cover: Dustproof and waterproof cover effectively prevent rainwater and dust from entering, prolong the service life of the charger.How to Use:Black line = negativeRed line = positiveSpecification:Item Type: Motorcycle Dual USB ChargerMaterial: ABS high and low temperature resistant flame retardant material Input Voltage: DC12-24VOutput Voltage: USB output 5V3.4A/9V2.5A /12V2AVoltmeter Monitoring Range: 6-30VMultiple Protection Function: Input over voltage, under voltage protection; Output over current, over voltage, under voltage, short circuit protection; Overload protection; Reverse connection protection; High temperature protection inside the chipInstallation Method: Handlebar installation and screw fixing (two installation methods)Purpose: It can be used to power mobile phones, tablets, ipads, navigation and GPS and most of the vehicle suppliesApplication Range: It can be installed on the DC12‑24V cars, motorcycles, ATVs, SUVs, boats and other transport&