1. Wireless design, easy to fix and use;
2. Remote control, available more than 100m in a capacious location;
3. Adopting Toshiba IC which is low power wasting and electricity saving;
4. Adopting crystal oscillator selecting frequency which can deduce disturbance and wrong ringing;
5. Delicate color box packing design has broken the old fashion of this line;
6. Supposing the emitter used 20 times per day, the battery can be used at least one year.
7. Widely used in at home, hotel, office building, factory, dormitory and so on; Also can be used as music box for children's entertainment or morning call.
8. If you find the bell ringing weak, please change No. 5 battery; If you find the bell is less sensitive, please change 23A 12V battery.