TECKNET Wireless Doorbell, Door Bells Cordless Plug in IP65 Waterproof Doorbell
Manufacturer TECKNET. IP65 Waterproof & 4.5 Years Durable: IP65 door bell Rated transmitter, with waterproof ring structure, could withstand tough weather (-20℃ to 60℃). Mounting Type Door Mount. Power source Battery Powered.