[Modern practical design] Our wireless doorbell has fashionable appearance and practical functions. Light and sensitive, the receiver has a luminous ring and LED flash alarm. The working range of the open area can reach 300m, providing you with quick instructions to ensure that you hear the bell and open the door in time. [4 kinds of volume 45 ringtones for you to choose] There are 45 kinds of ringtones and 4 adjustable volume levels (including mute mode) for you to choose. 45 ringtones can be selected according to your preference. The volume can reach 110 decibels, which is suitable for most of your rooms. [Easy to install] No battery and plug receiver required. Easy to install transmitters will be installed in minutes. There are two ways to place the receiver with stickers and screws. [It's not just the doorbell!] Extend the app yourself, for example as a dog or cat training aid. [Reminder and guarantee] If you need to press the button continuously, please press the button again after the bell stops, instead of pressing the button continuously. Product Description The wireless doorbell is just for your convenience! [Features] -Product name: wireless doorbell -Advantages: Super strong signal - powerful through wall signal and stable signal, and advanced intelligent technology to ensure signal output. It is easy to transmit signals through wooden doors, metal doors, exterior walls, stone walls and brick walls. -Weatherproof design: Our wireless doorbell can also be used in rainy days, safe and durable. -Waterproof grade: IP44 waterproof (suitable for outdoor use) -Operating temperature: - 4 F~149 F -Wireless range: 300m in open area -His voice is clear and loud, and he is friendly to people with hearing impairment at home. -The flash lamp with audio alarm indicator is more convenient, and it is more obvious to know that someone is ringing the bell. Packaging -Door bell receiver X 1 -Transmitter X 1 -Screw X 2 pieces and sticker X 1 piece -Description X 1 piece Don't hesitate to add it to your cart!