ITEM NAME:Loud hailer Lipo battery voltage alarm display Checker 2-3S LED display for B1N1 Loud hailer Lipo battery voltage alarm display Checker 2-3S LED display for B1N1 Tested battery cell voltage (Greater than 3.6V) 2S LiPo battery: 2 green LED lights Tested battery cell voltage (Greater than 3.6V) 3S LiPo battery: 3 green LED lights cell voltage less than 3.3V, corresponding to red light and alarm Used for: 2-3S LiPo battery Material: PCB board + LED lights Package List: 1 x Loud hailer Lipo battery voltage alarm display Checker Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.
