Universal Battery Capacity Indicator Display Battery Power Control Device Voltmeter 12-48V (Green)

Reverse connection protection, and there are only two wires, making it easy to connect and use.

Blue/green/white backlit LCD screen.

Equipped with a PVC film, the surface is waterproof.

Built-in loop, no screws required for installation.

Power-on displays the power percentage, visually showing the remaining battery level.