SanJie Door Sensor Alarm with APP Notifications 4 Sensor 1 Receiver 2.4GHz

• 【Door Chimes when Door Opens】Whether you are relaxing at home or busy around the house, this door sensor chime alerts you the moment a door opens. If a child opens a bedroom door or a loved one with dementia tries to leave, you will hear a clear chime right away—helping you stay aware of their movement, respond quickly, and feel more at ease.
• 【Door Alarms when Opened】When you are away from home or asleep at night, this door alarm sensor helps alert you when a door or window is opened unexpectedly. It can trigger a loud alarm up to 110dB to help discourage potential intruders, while also sending a notification to your phone—so you can take action quickly and add extra protection for your family and property.
• 【Door Left Open Alarm Chime】Use delay mode to remind you when a door is left open. During normal entry and exit, it stays silent, so it won’t disturb your daily routine. If the door is still open after the preset delay, the alarm will sound to remind you to close it—helping prevent security issues caused by a door being left open, whether you are stepping into the storage room, garage, or back yard.
• 【2 Alert Methods & 2 Alert Modes】This WiFi door chime gives you 2 alert methods: real-time app notifications and a loud indoor receiver chime, so you can stay informed whether you are at home or away.It also offers 2 alert modes—instant alert gives you real-time notification when a door opens, while delay alert offers more flexibility during frequent entry and exit.
• 【Device Sharing】Share app notifications with family members or caregivers, so more than one person can monitor door activity at the same time. When you are away, at work, or unable to check alerts right away, others can step in to help. Caring for a loved one alone is not easy, but shared alerts help family members stay involved—bringing more support, less stress, and greater peace of mind.

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(Note: Not applicable to metal doors)