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 LMASize 17 13 10mmWeight 4 5gOperating Voltage V 4 6Current Drain mA 1 35Package includes 5 xSignal loss AlarmLost Plane Finder