CACAZI Wireless Doorbell AC 220V Waterproof with 36 Rings 4 Volume Door Chime 300 Meters Remote Bell

Specification : Brand: CACAZI Model: K06AC Material: ABS Volume: 4 levels(20-80db) Power Source: 220V Plug: US (Also come with an adapter according to your country.) Battery Type: 12V 23A alkaline battery(not contain-in product list) Package includeds : K06AC-1X1: 1 x Transmitter 1 x Receiver 1 x Double-sided adhesive tape 1 x Screw K06AC-1X2: 1 x Transmitter 2 x Receivers 1 x Double-sided adhesive tape 1 x Screw K06AC-2X1: 2 x Transmitters 1 x Receiver 2 x Double-sided adhesive tape 2 x Screw Details pictures :