5Pcs Signal loss Alarm & Lost Plane Finder for RC Models

Connect the LMA to RC equipment.Turn on your transmitter,then your receiver.You will hear 2 X beep.
Don not move the stick on the transmitter or turn off the transmitter.After one minute you will hear hurried beep(patternl)that repeats as long as to move the stick or turn on the transmitter in the next minute.

Description:
Specifications Mode: GC/LMA
Size: 17*13*10mm
Weight: 4.5g
Operating Voltage(V): 4-6
Current Drain(mA): 1-35

Package includes:
5 x  Signal loss Alarm & Lost Plane Finder,,,