●Suitable for MR25 / MR25P, MR25X / MR25XP.
●Built-in 5 audio and music options for choosing from App interface.
●Allow to compose your own stylish music melody on App interface.
●Allow to setup low voltage alarm range on App interface.
●The failsafe alarm will be activated when aircraft is out-of-control, crash.
●Once the motor throttle is been closed, but not power off MR25 more than 0.5 to 3 minutes, the system will automatically emit loud audible warning sound for MR25 searching.

●MR25 Lost Aircraft Finder x 1
●MR25 Lost Aircraft Finder Sided Tape x 2\(11.8x12.4x1mm\)