Tuya WiFi Smart Door and Window Sensor Wireless Contact Detector for Home Automation and Security System No Hub Required

Technical Specifications

• /1. Real-Time App Alerts & Remote Monitoring: Receive instant push notifications on your smartphone whenever the door or window is opened or closed, allowing you to keep an eye on your home security from anywhere. Compatible with 2.4GHz WiFi, it works seamlessly with mainstream smart home apps for easy remote control.
• /2. Easy Tool-Free Installation: Comes with strong 3M adhesive tape and optional mounting screws for flexible installation. No complicated wiring or professional skills are needed—simply attach the sensor and magnet to the door/window and align the arrows for stable performance. The compact design fits most door and window types without affecting appearance.
• /3. Long-Lasting Battery Life: Powered by replaceable AAA or CR batteries (varies by model), offering reliable operation for years with low standby current. A built-in low-battery indicator reminds you to replace the battery in time, ensuring continuous protection without frequent maintenance.
• /4. Smart Home Compatibility: Works with popular voice assistants like Alexa and Google Assistant for hands-free control. Supports smart scene linkage—automatically turn on lights, activate alarms, or adjust thermostats when the door/window is opened, bringing more convenience to your daily life.
• /5. Multi-Scene Application & Tamper Protection: Ideal for homes, apartments, garages, cabinets, mailboxes, and pet doors to prevent intrusion, protect kids’ safety, or monitor unauthorized access. Equipped with tamper alert function, it sends notifications immediately if the sensor is deliberately removed, enhancing overall security.