$18.99 (as of 12/10/2020 13:48 PDT details )
Features:
- Long Distance Transmission , Operates at a highest distance up to 1000ft in open air. Strong Working Signal doorbell for most material door or wall, including glass, metal, wood...
- Wireless Multiple Doorbell , You can expand 20 door bells receivers remote door buttons transmitters .
- 58 Ringtones and Four levels Volume to Adjust The door bell will keep the setting when power is removed.
- IP55 Waterproof Easy to Install , 1. Wireless no batteries required plugin door bell chime 2. Mount the remote door button battery powered by sticky pad or anchors screws.
- Friendly customer service in 24hrs to make sure your 100% satisfaction, we offer refund or replacement for the unsatisfied products within 18 months of delivery.