New 1pcs Lipo Battery Voltage Indicator Volt Meter Monitor Use for 1-8s Lipl/Li-ion/LiMn/Li-Fe Voltage detection pricision: 0.01V Unit voltage display range: 0.5V-4.5V Total voltage display range: 0.5V-36V 1S test mode voltage range: 3.7v-30v,Low voltage alarm mode for 2-8S,Alarm set value range: OFF-2.7V