Features: 1:The input voltage of product is DC12V/24V, as long as it is installed in this range, the installation range is very wide. 2: 3A dual USB charger, can supply power to mobile phones, tablets, GPS, etc. 3:The product has a lighter and a dispensing butt, which can be used for smoking. 4:Product switch, ready to use, no need to turn off at any time, no waste of battery power, reduce line loss, protect battery The product comes with a 20A fuse to protect charger line and safety of equipment. When output current is 20A, the fuse be broken, and fuse can be replaced in time to continue to use. The product has an electronic clock, you can watch time anytime and anywhere, so that you can ride your phone without taking phone or watch it. The product has a voltmeter, which can detect battery voltage at any time to prevent safety hazards caused by battery damage. Specifications: Name: Clock type multi-function lighter charger Material: ABS Color: Black Input voltage: DC12V/24V Output voltage: 5V Output Current: 3A Whether to smoke: you can smoke Voltmeter test range]: 10-29V Installation method: rear view mirror installation and faucet installation two installation methods Installation range: The product is suitable for general-purpose 12-24V vehicles and can be installed. Scope of use: can provide power for mobile phones, tablets, navigation, GPS, etc., can be used for cigarettes, can detect battery voltage, can display time Package Contents: 1pc lighter charger Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.