Remote Door Bell Adjustable Volume With Time Shows. Features: Easy Installation & Using - Screws and Double-sided Adhesive Tapes Included for Easy Be Fixed to the Doorframe of the Transmitter. Easily Plug Receiver into an Electrical Outlet (no Batteries Required for Main Receiver). Install Just Plug It in Location You Need It to Be Heard. Classic Wireless Doorbell - Stylish Modern Design, Artful with Simplicity, Elegant and Unique. Excellent Materials Keeps Itself from Getting Higher Temperature & Interference. Waterproof & Dustproof, Remote Transmitter Button is Rated IP44 Weatherproof. Works Between -20°C to 60°C; Withstands Various Harsh Weather Conditions, Acceptable for Outdoor Use. Long Operating Range - Operating Range Up to 660-1000ft/200-300m in Open Area Ensures You to Hear the Bell and Answer the Door in Time. Either You Are Occupied a Few Rooms Away or on Another Floor, in the Garden or Kitchen, You Will Always Be Easily Informed when Someone is Calling from Outside, Nsures You Will Never Miss a Visitor. 45 Melodies & Adjustable Volume - The Wireless Doorbell Offers a Wide Selection of 45 Chimes for Your Personal Taste, You Can Have a Christmas Doorbell During the Christmas Season, for Example, and More. 4-level of Volume Range from 25dB to 110dB to Meet Your Needs for Different Occasions. Flashing Light with Audio Alert Indicators Which is Easy for People Including the Hearing Impaired to Notice. Multi Use - It is Fit for Home, Apartment, Classroom, Office, Villas and More. You Can Use Our Doorbells to Train Dogs, Using It to Quiet Down Classrooms, when You Ring the Bell, the Students Will Know It's Time to Move on to the Next Group, the Kids Are Loving It Also. And It Can Be a Paging Device for the Elderly, Can Signal for Care when They Need It Most. Specifications: Connection Type: Wireless Item Type: Wireless Doorbell Plug: UK Plug Wireless Doorbell  Color: Black Wireless Range: 660-1000 Ft / 200-300 M Maximum in the OPEN AIR Tunes: 45 Selectable Options Volume: 4 Level Adjustable Levels (25db to 110 Db) Receiver Power: AC 220V 50Hz Transmitter Power: 1 X 12V Alkaline Type A23 Battery Transmitter Size: 68 X 46 X 18mm Receiver Size: 72 X 78 X 18mm for Home Apartment Classroom Office Villas Package Listing 1 X Push Button (Transmitter) 1/2 X Plugin Chime (Receiver) 2 X Screws 1 X Double-Sided Adhesive Tape 1 X User Manual . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.