【Upgraded Practical Design】Our wireless doorbell comes with stylish appearance and practical functions. Lightweight and sensitive, there are illuminated halo and LED strobe alerts on the receiver. Operating range up to 1000ft in open area, offer you quick indication, which ensures you hear the bell and answer the door in time. 【Easy Installation】Our wireless doorbells are very easy to install, you get a transmitter, a receiver, stickers and screws. No batteries & plug receiver required. The easily installed transmitter will be set up in just a few minutes. And there are 2 ways to place your receiver, you can choose stickers or screws to fix it. 【5 Volume 60 Ringtones for Your Choice】There are 60 chord designs and 5 adjustable volume levels(included silent mode) to choose from. The 60 kinds of chord can be chosen as per you like. With adjustable volume from 0db to 110db, it will fit most of your room. 【Waterproof & Robust Push Button】A stylish modern design, excellent materials keep itself from getting higher temperature & interference. IP47 dustproof and waterproof rating. Works between -20 °C to 50 °C; Withstand various harsh weather conditions, acceptable for outdoor use. This wireless doorbell set is by far the most convenient choice for your home and business, ensuring you will never miss a visitor. 【Multipurpose Wireless Doorbell】Expand applications by yourself, eg use it as a dog or a cat training assistant device. If continuous button pressing is required, please press again the button after the ring sound stopping rather than instead of consecutive pressing keys directly. 【Wide Range of Applications】The doorbell ringer demonstrates subtle and novel industrial aesthetics and fashionable design. A perfect wireless doorbell kit for home, apartment, school, villas, office, warehouses, hotel, factory, hospital and more. 【180 Days Warranty Service】If you have any issues with our wireless doorbell, we're here to make things right. From the date of purchase, we offer 180 days of after-sales service.