BM3in1 3 In 1 Lipo Battery Monitor Low Voltage Alarm Signal Loss BuzzerDescription:This item is a 3 in 1 gadget with Lipo battery monitor、discover buzzer !#!amp!*!amp; signal loss alarm functions. Built-in ultrahigh brightness LED !#!amp!*!amp; twin loud buzzers.Specification:Item Name: BM3in1 Operating Voltage: 5.2~26V DC、 2~6S LiPoStandby Current: Less than 10mAWorking Current: Max. 120mA (blinking !#!amp!*!amp; beeping)Voltage Threshold Setting: 3.4-3.7V\/cell (Red LED)Twin Loud Buzzers: 85db eachUltrahigh Brightness LED: 20lm、0.2W、BlueSize: 20x30x6mmWeight: 7gFeatures:Lightweight and small、clear alarm.Battery Monitor Function.Discovery Buzzer Function.Signal Loss Alarm Function.Package Included:1x BM3in1 Lipo Battery Low Voltage Alarm Module1x Cable