WD-01, Wireless Doorbell
- Transmission Range up to 30 m.
- 16 Different Ringtones
- Cordless Design
- Easy To Install
- 12V. Battery Included
- Open the battery cover of sender and receiver.
- Install A23 (12V. included) battery into sender, and put 3pcs AA (not included) batteries into receiver, then close the battery cover.
- The receiver unit can be placed in any place at home.