MJX F45 RC Helicopter Spare Part Signal loss Alarm & Lost Plane Finder

Description Signal loss AlarmLost 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 AlarmLost Plane Finder