Car voltmeter/ammeter red backlight

Electronic car battery voltage meter - Voltmeter and ammeter. After installing in the car and turning on the ignition, it indicates the voltage status and current of the car battery. It has a clear, red backlit LCD display. Measurement range: 5V - 30V 1A - 15A Don't let your battery surprise you by buying a car voltmeter / ammeter with red backlight! It's hard to find a greater stress for a driver than a car that stops starting at a crowded intersection. Such situations happen relatively rarely, but when they do, we have a very big problem. Therefore, a car voltmeter / ammeter with red backlight is an extremely necessary item so that we can constantly monitor the level of our battery.