ThinkMax Lipo Battery Voltage Tester Volt Meter Monitor 1-8S w Low Voltage Alarm 100% Brand New !!! Use for 1-8S Lipo/Li-ion/LiMn/Li-Fe Voltage detection precision: +_0.01V.? Unit voltage display range: 0.5~4.5V? Size: 40mm x 25mm x 11mm?