The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! Wireless Doorbell Door Kit Distinguish Front And Rear Doors Over 1000 Feet Range And 60 Chime 5 Volume And LED Flash For Home Office Features: With LED flash reminder, built-in 60 melody music, ring tone volume can be switched and adjusted according to use needs, 5- volume, volume 0-110db selectable EASY TO USE: The push door allows cats and dogs to activate the doorbell by touching it with their nose or paw. The buttons are , , heat- and cold-. The design can be used indoors and outdoors. Signal receiving range: About 300m/980ft in open area, 10m-20m/30ft-65ft when there are obstacles Working voltage: Receiver 110V-240V, Transmitter - 1 12V/23A battery (battery not included in the package) Suitable for all kinds of small, medium and large dogs. Install it at the appropriate height according to the height of the pet, making it easy for the pet to . IP44 - The doorbell push button is rated IP44 and for outdoor use,the doorbell chime is suitable for any home, , apartment, office, school, , hotel or other application. Product Description: products name：wireless pet doorbell Model:A10 pet doorbell Music:60pieces of music Receiver: Lights up when the rings& in for use (110-240V) Volume: 5levels volume(adjustment flashing light ) Transimitter:uses 1*12V23Abattery.(not included) Transmitter size:75*51*20mm Receiver size:95*65*24mm Remote control distance:300m directly on the open space (data comes from the factory laboratory). Packing lists: Receiver*1 Transmitter*1 Doorbell sticker Screw*1 Manual*1 Packing box*1 Viflosae Wireless Doorbell Door Kit Distinguish Front And Rear Doors Over 1000 Feet Range And 60 Chime 5 Volume And LED Flash For Home Office Electronics Gadgets Deals of The Day With LED flash reminder, built-in 60 melody music, ring tone volume can be switched and adjusted according to use needs, 5- volume, volume 0-110db selectable EASY TO USE: The push door allows cats and dogs to activate the doorbell by touching it with their nose or paw. The buttons are , , heat- and cold-. The design can be used indoors and outdoors. Signal receiving range: About 300m/980ft in open area, 10m-20m/30ft-65ft when there are obstacles Working voltage: Receiver 110V-240V, Transmitter - 1 12V/23A battery (battery not included in the package) Suitable for all kinds of small, medium and large dogs. Install it at the appropriate height according to the height of the pet, making it easy for the pet to .