Smart Home Security Sensor Stay connected to your home and protect what matters most with this advanced smart door and window sensor. Designed for convenience, control, and peace of mind, it delivers instant alerts, automated smart scene integration, and security features. Key Features and Benefits: **Instant App Notifications** Receive realtime alerts the moment your door, window, safe, or other protected device is opened or closed. Ideal for preventing unwanted entry, monitoring children or pets, and safeguarding valuables. **Smart Scene Integration** Link the sensor to compatible smart lights, air conditioning, and other devices. Lights and aircon can turn on automatically when you arrive home and open the door, then switch off when you close the door and leave. Create automation scenes to fit your lifestyle. **Programmable Timer Function** Set specific active hours for enhanced security. For example, program the sensor to operate only between 10 PM and 7 AM, ensuring uninterrupted sleep while keeping your home safe during the night. **Builtin Alarm with Adjustable Volume** Equipped with a mini horn capable of emitting an 80 dB alert, providing instant notice of unusual activity. Adjustable volume settings allow you to choose the right sound level for your environment, while the alarm can deter intruders on site. Practical Use Scenarios: 1. **Home Security** Set the sensor on your front door to receive immediate alerts about unexpected visitors, enhancing safety whether you are at home or away. 2. **Child and Pet Safety** Place on doors to balconies or gates to prevent children from wandering or pets from escaping. Receive notifications as soon as the door opens. 3. **Valuable Protection** Attach to safes or storage cabinets to track access and protect valuables from unauthorized handling. Specifications: Wireless door and window contact sensor Realtime smartphone notification support Smart scene compatibility with lights, aircon, and other devices Programmable timer operation Adjustable audible alarm up to 80 dB Compact and discreet design for easy installation This smart home sensor combines proactive alerts, automation, and flexible settings to make home monitoring simple and effective.