WiFi Door/Window Chimes when Door Opens - This WiFi alarm chime system can be connected to your mobile phone to your mobile phone to enable remote push notifications. This allows you to monitor your home anytime, anywhere, giving you peace of mind. When visitors arrive or kid/toddler/dementia sneak out, the receiver will sound a chime, and your mobile phone will receive a warning notification. Note: Only supports 2.4GHz WiFi, does not support 5GHz.The WiFi door chime for business/home has 20 chimes with 5 adjustable volumes(0-110dB)When a thief breaks in, the door and window alarm sensors will send a signal, the receiver will chime, and you will be notified, protecting the safety of your home. This door alarm chime system can be used in homes, stores, apartments, swimming pools, offices, nursing homes, and other places. WiFi Door Chimes when Door Opens - This WiFi alarm chime system can be connected to your mobile phone to your mobile phone to enable remote push notifications. This allows you to monitor your home anytime, anywhere, giving you peace of mind. When visitors arrive or toddler/dementia sneak out, the receiver will sound a chime, and your mobile phone will receive a warning notification. Note: Only supports 2.4GHz WiFi, does not support 5GHz Easy to Install and Use - Plug the receiver into an outlet no more than 33FT away from the router. Refer to the manual for quick connection of the receiver to the app: Tuya/Smart Life. After adding the sensor, remove the double-sided adhesive tape and attach it to the desired location: door/window/cabinet/refrigerator, etc. The maximum indoor distance between the sensor and receiver is 100FT 20 Chimes with Mute to 110dB - The WiFi door chime for business/home has 20 chimes with 5 adjustable volumes(0-110dB). With LED indicators and memory function: Keep the previous set tune after re-plugging it.The volume, chime, and name of each sensor can be set individually via the app.So that you can realize exactly which door is triggered Multiple Usage Scenarios - 1.Door chime for business when entering,you won't miss any customers. 2.Door alarms for kids safety/dementia,when toddler, children with autism, or dementia patients wander off, you will be notified immediately to ensure their safety. 3.Door/window alarms for home security,when the thief breaks into your home, you will be notified immediately.4.Any scenario you think you can use(office/apartment/nursing home, etc.) Expandable & Share with Family Notification - Each door opening chime can be paired up to 20 magnetic sensors.You can set the sharing function of the APP,so that when door/window alarm is opened, everyone you share it with can receive the alert message(APP notification free). Note: Only one phone can be connected to the Gateway through WiFi, others can only connect to the Gateway through sharing devices.Telephone or text message notification services are subject to a fee(subscribe as needed)