MODEL MS33 TRACER UNIT M33 Never lose a model again! with this high tone alarm

Never lose your  plane or helicopter again!!This unit is easy to use and full instruction come with each unit.Connect unit as if a servo extension.Switch on TX then the RX DO NOT MOVE ANY STICKS AT THIS TIME!You will hear 2X beep followed by 1 longer beep, the unit is now set.Use the model as normal. If the model losses the signal from the TX after about 1 minuet 45 seconds the alarm will give off a continues sound as long as there is power in the battery.