Product Name: Square Dual USB Super Fast Charge + Voltmeter Product model: CS-854A2 Product gross weight: 145G Product net weight: 124G Product color: Black Product material: ABS high and low temperature resistant, flame retardant and environmentally friendly material Voltmeter color: Blue Input voltage: DC12V Monitorable voltage range: 6-30VOutput voltage: 5V3.4A/9V2.5A /12V2AInstallation method: handlebar installation, screw fixingProduct accessories: handlebar mounting bracket*1, screw mounting bracket*1, large screw*2, small screw*1, handlebar fixing screw*1, non-slip gasket*1; extension cable*1, instruction manual*1, wiring card*1, adapter*1Product use: It can be used to power most vehicle supplies, such as mobile phones, tablets, iPad, navigation and GPS. Scope of use: Can be used in vehicles, motorcycles, ATVs, SUVs, boats and other transportation tools that can be installed with DC12VProduct features: It has a variety of protection functions: input overvoltage and undervoltage protection; output overcurrent, overvoltage, undervoltage, and short circuit protection; reverse connection protection; internal chip high temperature protection.Product advantages: 1. USB output voltage has three output schemes: 5V3.4A/9V2.5A/12V2A 2. The agreement includes 2. Fast charging port: DCP BC1.2, Apple Divider3/Samsung 1.2V, Qualcomm QC2.0 /QC3.0, Huawei SCP, FCP, Samsung AFC, Spreadtrum SFCP and other fast charging protocols, which can support Huawei super fast charging.