Heiman WiFi Door Window Alarm Sensor, Smart Wireless Magnetic Contact Sensor with Real-Time App Alerts, Compatible with Alexa & Google Assistant, 2.4G WiFi Home Security,Window Door Alarms When Opened

Features

• 24/7 Home Security & Personal Safety GuardianThis door alarm sensor and window alarm sensor keeps you real-time informed of door/window statusideal 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 youre at work, traveling, or just in another roomno distance limits.
• Tool-Free Easy InstallationAttach 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 subscriptionstart using your door alarm and window alarm in minutes flat.
• Smart Magnetic Trigger TechnologyBuilt-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 openedzero delay for your home security needs.
• 1+ Year Long-Lasting BatteryLow-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 VersatilityInstall 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 moreperfect 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.