Feature: 1. Has multiple protection functions, like input overvoltage protection, undervoltage protection; output overcurrent protection, overvoltage protection, undervoltage protection, short circuit protection; reverse connection protection; chip internal high temperature protection. 2. Built-in voltmeter and ammeter display, can display input voltage indicating whether the battery in the bicycle is good and whether it needs to be charged, display output voltage and current indicate USB charging status. 3. This SAE to USB adapter is designed to be used with any 12V battery, any phone, camera, digital camera or any smartphone or device that can be charged via USB Charge. 4. USB supports all mobile phones, which is suitable for tablets, mobile phones, for Ios and for Android phones. 5. Applicable to motorcycles, ATVs, off-road bicycles, scooters, etc. Specification: Condition: 100% Brand New Item Type: Motorcycle SAE to Dual QC 3.0 USB Charger Voltmeter Material: Plastic + Metal Product Color: Black Voltmeter Indicator Color: Blue, Red Voltage Detection Range: DC 6-30V Input Voltage: DC 12V USB Output: DC 5V3. 4A / 9V2.5A / 12V2A. Package List: 1 x Charger 1 x Pack of Accessories1 x Manual