Amazon has Tecknet Self-Powered Wireless Doorbell Kit on sale for $22 . Shipping is free with Prime or on order $25+
- Self-Powered Doorbell: No batteries required for Both transmitter (push button) and receiver. When the transmitter is pressed, it generates electric power itself and sends stable signal to receiver.
- Unique Plug Through Door Chime Kit: Plug through socket enables use of the socket for other devices. Plug it into your wall socket and then plug appliances into it as normal.
- Waterproof Doorbell: IP65 Rated transmitter with a waterproof ring structure, operating between 14°F and 122°F, withstands tough weather conditions.
- 32 Ringtones & 5-Level Volume: 32 different CD-quality sound tunes, 5 levels of adjustable volume from 65dB to 90dB, memory function for volume and chime selection.
- Long Working Distance: This wireless doorbell features up to 1300ft wireless range, ensuring you won’t miss a visitor, even if you are a few rooms away or on another floor.
Amazon offers free shipping with $25+ orders or get free 1 day shipping on all orders with a free trial of Amazon Prime. A prime trial is also free with Amazon Family (which also gets you up to 20% off diapers among other benefits) or Amazon Student. EBT/Medicaid Cardholders can save on Prime Membership here.
