This product adopts the world's leading environmental technology, passive and wireless, have several international patents.


Press automatic mechanical energy into electrical energy from the transmitters, the need for battery, also need not connect the power cord, no need for the doorbell to replace batteries, also need not to buy a doorbell batteries running here and there, not only makes the doorbell longer life, also can avoid the battery pollution.


Scope of application: home, office, hotel, building, dormitory, factory, construction site...


"Why did you choose me?"
+ more environmentally friendly
Emitter button the spontaneous electrical design, do not use batteries, reduce the pollution of the battery
+ easier
1. Without wiring, installation simple
2. Transmitters no batteries;A receiver plugged into mains more convenient
+ more outstanding
1. 200 metres long transmission distance
2. The wireless signal can penetrate layer 3 walls and metal door
3. The service life of 20 years
4. Crosstalk rate as low as 4 billion points a, never worry about crosstalk
+ more personality
1. 16 the first chord ring, built-in amplifier, the effect is much better
2. The unique learning mode, the user can set the pairing mode (one-to-one, one-to-many)