Dual USB Rocker Switch Led Digital Voltmeter for Fast Charging Electronic Devices,Universal for All 12V-24V Cars
- Product features: flame-retardant materials are odorless and durableInstallation: Please use a hole opener to open the hole, put the product in, and then unscrew the screw fixing ring!Application: input 12 - 24 V output 5 V / 4.2 A fast charging mobile phones, tablets, GPS and other devices. Universally applicable to all 12 V-24 V cars, buses, testers, boats, utv, atv, etc.Protection: With overcharge protection function, when the device is fully charged, it can automatically stop charging, overheat protection, overvoltage protection.