?No Battery Required?SelfPowered Wireless Doorbell Cordless Plug in Door Bells with 2 Receivers IP55 Waterproof Door Chime Bell 48 Ringtones 0110dB Loud 7 Levels Volume 450ft Range

Product Description PYBBO wireless waterproof doorbell, multiple settings, strong penetrating power, easy to install. Make your life more easier. Slef - Powered Push Button Never have to worry about the battery issue comparing to traditional wireless door bells. The transmitter do not require a battery. No more worries about missing deliveries or visitors due to batteries dying. Multiple Settings -There are 48 interesting tunes to choose from, you can change the different tunes when the mood is different and enjoy pleasant melodies whenever someone rings at your door. -7 Adjustable Volume Levels(0dB-115 dB). 0dB- Mute Mode, suitable for places such as baby rooms that do not require ringtones, or hearing-impaired people,only LED flashing on receiver. 115dB-Highest volume, loud enough to be heard in other rooms or office. Strong Penetrating Power -Including 1 Push Button and 2 Plug-in Receivers, wireless signal stabilization, capable of transmitting clear signals up to long range 450 feet inside your home or business in an open space. Digital circuit design effectively avoids interference with other electronic products. Easy to Install -The Receivers themselves just need to be plugged into a power socket to power them up. Push buttons can be fixed to the door frame with screws, or attached it on wall with double-sided adhesive tapes. Includes 2 screws, 2 anchors and 1 adhesive. Package Content: 1 x Transmitter 2 x Receiver 2 x Screws 1 x Double-sided adhesive tape 1 x User manual