MJX F45 RC Helicopter Spare Part Signal loss Alarm & Lost Plane Finder
Description:Signal loss Alarm & Lost Plane Findersimple device that plugs into any servo/rx port- will detect the loss of TX signal and emit a loud 85dB alarm.Ideal for warning you if you have not turned off your RX power supply while in the pits- or if you are havingtrouble finding a model in the long grass- simply turn off your TX and within a minute- the alarm will sound!Specification :Weight: 4.5gOperating Voltage: 4v~6vCurrent Drain: 1~35mAhPackage Included:1 x Signal loss Alarm & Lost Plane Finder