1.Voice and lighting Alarm,433 MHZ,
2.open design
3.automatic extension of code and all kinds of detector

product name:voice and light alarm signal

model:REH340

Wireless,Open design, automatic extension of code and all kinds of detector (16), the emergency acousto-optic alarm, stores, shops, is the ideal choice! Garage etc.
Host alone can make wireless sound-light alarm bell and use.