Battery type electricity quantity display
Wide application fields: lithium battery
Using Method: connect display board positive and negative port with tested battery positive and negative port, digital tube will display real-time battery electricity quantity
Digital Color: outline red, display block blue (when battery electricity quantity is full,it will be all on)
Package included: 2Pcs 2S 8.4V Battery Capacity Indicator Module, 1Pcs 30cm/11.8inch Power Wire