EMHOME Kinetic Wireless Doorbell No Battery Required Push Button and Plug-in Receiver Waterproof Doorbell Ring Chime for Kids Range Over 1000 Feets

    EMHOME Wireless doorbell no battery required both for push button and receiver. You will never worry about battery life and purchase battery repeatedly. EMHOME kinetic wireless doorbell is a good investment with economical, environmental friendly ways by battery free. [Application Site] EMHOME wireless doorbells is suitable for home, office, shop, studio, hospital, school, restaurant, kitchen, club and so on. It also suitable for schoolchildren, kids bedroom, old man emergency call and even for smart dogs if training to press push button.  [Tips]  1. Whether to use sticker or screws during installation depends on the door material and environment in which it is installed. Of course, push button also can be used during move at range of operation. Push button and receiver both have LED strobe. 2. Please plug receiver in to outlet by correct direction or it will prevent using second outlet. 3. Code EMHOME wireless doorbell and test ring, then install push button. Normally we code transmitter and receiver in our factory before shipping. If no ring first test at your side, code it by yourself. Receiver plug in outlet-->Press "Volumn" for 3 seconds--> Press push button 2 times-->finish coding. If you use more EMHOME wireless receivers, code method is also same as this. [Brand] EMHOME [Power Supply] AC85-260V 50HZ/60HZ [Waterproof] IP44 standard promised [Volume] 4 levels including mute, 0-100db [Chimes] 45 chimes of high sound quality [Material] ABS 100% new raw materials make thick plastics [Tempature Resistant] -4 F to 140 F [Package List] 1 X Transmitter (Push Button no battery inquired) 2 X Receivers (Plug-in type)  1 X Sticker (double-sides adhesive) 2 X Screws  1 X EMHOME Wireless Doorbell User Manual