55 Melodies Wireless Cordless Doorbell 300M Plug In Receiver + 2 Transmitters

Features: - Modern & Stylish design. - Easy installation. - Low power consumption. - There are 55 different ring tones with 5 levels of adjustable volume. - Expandable & DIY, you can DIY to meet your requirement by pairing additional receivers and push buttons. Each push button can pair multiple receivers. - No batteries needed for the plug-in receiver. The push button can be fixed to the doorframe with the attached adhesive tapes. - The push button is rated IP55 and weatherproof for outdoor use. Specifications: Plug: UK Plug, EU Plug, US Plug - Color: Black - Material: Plastic + Metal - Size: Approx. 8.1 x 8.1x3.2cm/3.2x3.2x3.2" - Working Range: Approx. 300m - Waterproof Rate: IP55 - Working Temperature: -30-70 - Transmitter Battery: 12V 23A Alkaline battery (Not include) Packing Included: - 1 x Wireless Door Bell - 2 x Transmitter - 1 x Receiver - 2 x Double Sided Adhesive Tape - 2 x Battery - 1 x Screwdriver - 1 x English User Manual Detail Pictures: