Smart Wireless Doorbell SelfPowered Beeper Remote Induction Waterproof

Feature: 1. Self‑powered music door bell, no batteries needed, cordless installation, providing you with a lot of convenience. 2. Long‑distance wireless transmission, wireless distance less than 80m 262.5ft, strong anti interference capability. 3. With power off memory function, support 4 level adjustable volume(silent, 90dB, 100dB, 110dB). 4. Large capacity music library, 35 music options, brings you better using experience. 5. Optimize the indoor unit so that it does not affect other sockets, compact and small design, easy to install. Specification: Item Type: Wireless Doorbell Material: ABSWireless Frequency: 433 MHz Wireless Distance: < 80m 262.5ft Power Supply Mode: AC 100 230V Indoor Unit Working Temperature: 10 celsius +45 celsius Outdoor Unit Working Temperature: 20 celsius +60 celsius . Package List: 1 x Doorbell1 x Doorbell Outdoor Unit 1 x Double Sided Adhesive Tape1 x Lable Sticker1 x Manual