SadoTech ST-FXR-BL Touch Activated Wireless Doorbell with 100-Percent Waterproof Button and 2 Plugin Receivers Operating at Over 500' Range with Over 50 Chimes Product Details Style: Model FXR Touch Brand: SadoTech Part Number: ST-FXR-BL Item Weight: 6.9 ounces Product Dimensions: 3.2 x 1.5 x 3.5 inches Item model number: ST-FXR-BL Batteries: 1 12V batteries required. (included) Color: 3.5 Style: Model FXR Touch Finish: Black Material: ABS Plastic Thickness: 27.5 millimeters Installation Method: Self-adhesive tape or anchors/screw (included) Item Package Quantity: 1 Number Of Pieces: 3 Coverage: 900 feet Switch Style: Push button Batteries Included?: Yes Batteries Required?: Yes Battery Cell Type: Alkaline Description Pile: A23 12V Average Battery Life: 1000 hours Shipping Weight: 9.6 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. Date First Available: January 20, 2015 Unique touch activated button wireless doorbell. Blue led lights up when touching the touch area of transmitter button. Button is 100% waterproof A perfect use case scenario for this product would be if you have a first floor and basement, garage, or second floor and you want both areas to ring from someone pressing a single transmitter button Over 50+ different ring tones. Operating range of over 500 feet (1000 feet in open area). four levels of adjustable volume from 25Db to 110Db Easily plug receiver into an electrical outlet (no batteries required for main receiver). ce, fcc, rohs certified Includes 2 chime units and 1 remote transmitter button, double sided sticker, anchors, screws, and battery for remote transmitter Style: Model FXR Touch Our total customer satisfaction guarantee - thank you for making us the 1best selling doorbells. If you aren't 100% completely satisfied, simplycontact us to request a refund or exchange! sadotech doorbells are the perfectdoorbells that are stylish, elegant and have a modern look for any homesetting. Customer notice: please note that we supply two options forinstalling the doorbell button, with 1) double-sided tape or 2) screws andanchors. Using the double sided tape is a temporary solution. We recommend thescrews and anchors. Follow the easy installation instructions.