5pcs FXD-82B 12V Battery Indicator Board Module Load 4 Digit Electricity Indication With LED Lamp

Specifications: ? On-board high-precision voltage detection chip and power supply voltage regulator chip onboard 4 power indicator LED lamp, divided into 3 colors display, red, yellow, yellow, green represents 20%, 50%, 80%, 100 (%) of the electricity Three Reserve a battery test interface and two mounting holes on-board high-precision voltage detection chip and power supply voltage regulator chip ? Material: metal Size: 22.2 x17.2 mm ? Package Include:? ? 5 x 12V Battery Power Indicator