PLD-LMA-02: PLD-LMA-02 Lost model alarm (louder)
Yes, this device is Spektrum compatible.
For 4 cell / 5V systems
Compact and light weight lost model alarm. Compatible with PPM, PCM and Spektrum receivers.
At only 7.5g weight even with 150mm of lead this is a light weight gadget that is a huge time saver.