Coolqiya Wireless Doorbell with 2 Remote Button and 3 Plug in Receiver, No Batteries Required for over 50 Chimes (White)

By Brand : Coolqiya

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Specifications: Size for Receiver: 3.1*3.1*1 inch; Transmitter:3.4*1.25*0.67 inch Working distance range: 900ft~1000ft (in an open air, no obstacles) Ring tone: 52 pieces selectable options Volume: 4-level adjustable volume (30 to 110 db) Receiver Power: AC 110V (US)/ AC 220V(EU, UK, AU) Transmitter Power: 1 x 12V Alkaline Type A23 battery (included) Power consumption of receiver: Power consumption of transmitter: Working temperature: -30?~70? Rating of waterproof: IP44 LED Flashing Alert: When you press the transmitter button, it flashes blue light, and the receiver flashes blue light as well when receiving the signal. Usage: Commercial/Residential/Assisted Living It also can be used as paging devices for elderly care and nursing residents. Note: The battery for transmitter has been installed. Please pull out the insulating strip before using. Package Includes 2 x Push Button (Transmitter) 3 x Plugin Chime (Receiver) 4 x Screws & Anchors1 x screwdriver 2 x Double-Sided Adhesive Tape 2 x 12V A23 Alkaline battery for transmitter 1 x User Manual