Very high quality and premium device.
Distance range: 350 meters in open area.
The transmitter is self-powered (it uses kinetic energy to generate electricity once it is pressed). The receiver will be connected to light via EU or UK plugs. The battery option is available.
IP65 waterproof rating.
Highest volume level is 120db.
63 ring tones with 4 volume levels.
Package contains: 1 transmitter, 1 receiver, 1 instruction manual, 1 double-sided adhesive tape.