Features: To charge the Mobile phone, tablet, GPS, car audio , car MP3/MP4, etc. Unique design, 2 in 1 combination of voltmeter and USB charger. Suitable for Toyota models, widely used on modified parts of cars or trucks. Specifications: Material: plastic Color: black (red light) Input Voltage: 12V~24V Output voltage:5V Output current:4200mA Operating temperature: -40~70℃ Package Contents: 1 * Phone Car charger Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.