Wireless Doorbell_YAYALE Waterproof Doorbell Kit Operating at 1000 ft with 1 Push Button and 2 Plugin Receivers_ 52 melodies and 4 Volumes Doorbell Ch

YAYALE Waterproof Wireless Doorbell Operating at 1000 ft with 1 Push Button and 2 Plugin Receivers, 52 melodies and 4 Volumes. Features Easy to install, Classic and fashion design. Waterproof 1 Push Button and 2 Plugin Receivers. Design of low power consumption, power -saving mode. 1000ft maximum wireless range in the open air and 4 levels adjustable volume. Specification Receiver Working Voltage: AC 90-250V Receiver Power Consumption: ?0.5W Receiver Volume: 10-110db Transmitter power: 0db Waring Tips 1 The Plug-in chime is designed for indoor use only. 2 The Plug-in chime is not user serviceable, there is a danger of electric shock if opened. 3 Use high quality alkaline battery, poor batteries will reduce the maximum range. 4 Do not expose either unit directly to rain/dripping or immerse in water. 5 Do not mount either unit close to a fireplace or expose to high temperature. 6 Only use a dry clean and soft cloth or micro fiber cloth. 7 Do not position the Push Button onto any metal surface or UPVC door frames reducing the operation range 8 If not using the Plug- in Chime for long periods, unplug it from the socket and remove the battery from Push Button to prevent leakage. 9 Dispose the old battery in accordance with the relevant legislation. Package List 1*Plug-in chime 2*mounting screws 1*Push Button 1*adhesive tape 1*instruction manual 2*screw pegs 1*DC battery for Push Button