Upgraded Version YONHAN Charger Voltmeter Review

[Non-Slip Button Switch]On the basis of the traditional best-selling metal models, the Dual USB Car Charger has been upgraded, adding a well-designed non-slip button switch, more stable on control than touch button. The switch can control the LED digital display to avoid the battery drained due to the constant light after the engine starts, and effectively enhance its lifespan. [Efficient Quick Charging]The Car Charger has dual ports pump out 36W total. Power Two Devices at Full Speed with QC 3.0 Charging Technology, Up to 4x Faster than Conventional Charging, and Deliver the Fastest Possible Charge to All non-quick Charge Device. [Red Digital Display]The digital voltmeter of the 12V USB Car Outlet monitors the battery and electrical system automatically and indicating the car voltage in the screen, and convenient for you to know the health of battery while driving. The voltage can still be seen after the dust-proof sealing cover is closed. [All Metal Material Body]The car charger is made of advanced aluminum alloy material, which is sturdier than traditional plastic models, with better texture and better high temperature resistance, so it is safer than plastic chargers. [All-round Protection] The 12V USB Car Outlet Certified by UL CE & ROHS, with over-load, over-current and short circuit protection to ensure charging safety, this usb car charger guard the safety of your devices.