MaximalPower Wireless Doorbell No Battery Required Waterproof Self-Powered Door Bell Sets Home Outdoor Kinetic Ring Chime Doorbell Protection - Door Bell QX001 WT (1 Pack)

Door Bell QX-001 - Long Distance Sensitivity with 38 Ringtones & 4 Levels VolumeWireless and Self-Powere No Battery RF433 Doorbell- 38 Songs Home Welcome Door Chimes- 150M Long Distance Control- IP68 Waterproof Housing- Four Levels of Volume- Doorbell Self-Powered Doorbell Transmitter (No battery & No wires & no hub required)- US Plug Receiver - Supports 100~240V AC at home- Plug receiver can match with few pcs doorbells to reach single control, dual control, multiple control and mutual control

• NO BATTERY REQUIRED - Self-Powered Wireless Doorbell, No battery, no wiring, easily to install, and very environmenta
• WIDELY APPLICABLE - 150m/500ft working range, suitable for home/ office/ villa /hospital /school / factory, etc. Never miss a visit or delivery.
• MULTIPLE CHIMES - The battery-free wireless doorbell with 38 chimes and 4 level adjustable levels to suit your needs
• WATERPROOF - Transmitter of the no battery required wireless doorbell is IP68 waterproof, can be used indoor and outdoor when it rains
• EASY TO INSTALL & USE - The transmitter is provided 2 kinds of installation methods. Use the included tape or screw to secure the transmitter to the door frame. And insert the doorbell receiver plug into the power socket to get started