G.T. Power 1~8s Li-po / Li-io / Li-Mn / Li-Fe Battery Voltage Tester / Low Voltage Buzzer Alarm
Voltage detection precision: +/-0.01V; Unit voltage display range: 0.5~4.5V; Total voltage display range: 0.6~36V; 1s test mode voltage range: 3.7~30V; Low voltage alarm mode for 2~8s; Alarm set value range: OFF-2.7-3.8V