Techly I-BELL-RING05T dørklokke trykknap Hvid Trådløs

- I-BELL-RING05 Wireless Doorbell Transmitter
- Wireless transmission in open area reaches up to 180 meters
- Transmitter works without battery (kinetic power)
- The button does not need batteries or electricity: it combines energy harvesting technology with low-power wireless transmission technology and produces a radio signal
- Low power consumption
- Eco-friendly
- 64-melody doorbell
- 4 volume levels
- One receiver can pair with 8 transmitters, one transmitter can pair with unlimited receivers
- 180 meters distance in open area is applicable to any home, office, hotel, factory or other environments
- Using the same frequency and different code technology between the same frequency and the receiver can avoid external interference