Features: 3 in 1 function, including dual USB charger, thermometer, and voltmeter, saves space and is easier to use. Digital voltmeter acts as a battery tester for checking the state of your battery and battery charger. Built-in fuse ensures safety and reliability. Independent switch allows turning the charger ON/OFF when not in use, helping to save energy. Snap-on installation design enables quick installation and removal. Safe usage: monitor includes a built-in fuse for safe operation without damaging your vehicle. Easy reading: LED display screen allows clear visibility even in low light conditions. Package Includes: 1 x Motorcycle Charger Specifications: Display Color: Red/Yellow Input Voltage: 12-24 V Output Voltage: 5 V Output Current: 4200 mA Working Temperature: -20 to 60 C Output Interface: USB Compatible Charging Range: Motorcycle Style: Handlebar Mount Mount Type: Rearview Mirror Bracket Note: 1. Please allow 1-2 cm error due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you for your understanding.