Heiman Window Door Alarms When Opened, WiFi Door Chime Sensor, Contact Sensor for Home Security, Smart Wireless Magnetic Door Open Detector, APP

Heiman Window Door Alarms When Opened, WiFi Door Chime Sensor, Contact Sensor for Home Security, Smart Wireless Magnetic Door Open Detector, APP

【24/7 Home Security & Personal Safety Guardian】This door alarm sensor and window alarm sensor keeps you real-time informed of door/window status—ideal for solo dwellers, families using door alarms for kids safety, or caregivers of elderly with dementia. Boost your door security and window security to protect your home and loved ones, no matter the scenario. 【Reliable Remote Monitoring (2.4GHz WiFi Only)】The wireless door sensor alarm and window sensors for security connect seamlessly to your home 2.4GHz WiFi (stable & secure) for instant door open alarm and window opening alerts. Stay in the know with this top-tier door security device whether you’re at work, traveling, or just in another room—no distance limits. 【Tool-Free Easy Installation】Attach this door sensor and window sensor directly to doors/windows (no drilling!), connect to WiFi, and download the "Smartlife/Tuya" app (free). This wireless door security solution needs no gateway, no subscription—start using your door alarm and window alarm in minutes flat. 【Smart Magnetic Trigger Technology】Built-in magnetic strips for door sensor alarm and window alarm sensors: alerts trigger automatically when strips separate. Instant notifications send to your phone the second a door/window is opened—zero delay for your home security needs. 【1+ Year Long-Lasting Battery】Low-power design delivers over 12 months of use per battery for this door open alarm and window security sensor. Cut the hassle of frequent replacements and enjoy worry-free door security and window protection year-round. 【Multi-Scene Versatility】Install this door sensor chime and alarm set on garage doors (as a garage door sensor), wine cabinets, refrigerators, pool fences, storage lockers, pet doors, and more—perfect for apartment door security and whole-home protection. It also works as a subtle bell for door opening or loud door chime to fit your needs. This smart door sensor consists of detector and magnet two parts, It adopts WiFi communication technology, can detect the open or close status between door/window frame and door/window, and report status change to APP in real-time. Double reed switches design makes installation more flexible, as the magnet part can be installed on either side of the detector part,suitable for different kinds of doors or windows.