The LAMPA Smart-Plug 3-in-1 Car Battery Voltage Meter is your all-in-one solution for vehicle monitoring and charging. Simply plug it into your car’s cigarette lighter to instantly check your vehicle's battery and alternator health with its 12/24V tester. Stay informed about your car’s interior temperature—accurately displayed between -9°C and +80°C—so you’re always comfortable, whether it’s a chilly morning or a hot afternoon. The vibrant red and blue display ensures easy reading, even in low light. Plus, the built-in 5V 2100mA USB port lets you charge your phone, tablet, or any USB device on the go. Perfect for drivers and truckers who value safety, convenience, and staying connected wherever the road takes them.
