1.Call button for calling system 2. Coverage: 500m in open area 3.Customer's LOGO welcome

Product description parameter description:

1.water-proof base, easy battery changing and maintenance2.SAW DEVICE ensuring stable signal transmitting3.signal transmitting distance: 1.5km(open space)4.excellent temperature and humidity character, safe, stable and reliable.

Technical Specifications:1. Coverage: 500m in the open area2. Power:Alkaline battery 12V/33Ma3. Frequency:433Mhz4. Size: 60*60*18mm