ITEM NAME:12V Battery Level Indicator Module 4 Paragraph 4 Onboard Battery Indicator Bo #s Product Description Description: 12V Battery Level Indicator Module 4 Paragraph 4 Onboard Battery Indicator LED Lights Board Description: 1. On-board High Precision Voltage Detection Chip and Power Regulator Chip. 2. On-board 4-bit power indicator LED lamp, divided into three color display, red, yellow, yellow, green represent 20%, 50%, 80%, 100% of the power, respectively. 3. Reserve one battery test interface and two installation locating holes. Specification: Size: 20*16*7mm/0.78*0.62*0.27'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x 12V Battery Level Indicator Module.Included: 1 x 12V Battery Level Indicator Module. On-board 4-bit power indicator LED lamp, divided into three color display, red, yellow, yellow, green represent 20%, 50%, 80%, 100% of the power, respectively.