WiFi Smart Window/Door Detector with Light Sensor – PST-FH400A

Instant App Alerts
Receive real-time notifications on your smartphone via the Tuya Smart app when doors or windows open/close, ensuring security and peace of mind.
Dual-Function Sensor
Combines open/close detection with ambient light sensing, allowing automation of lights or alarms based on environmental changes.
Seamless WiFi Connectivity
No hub required—connects directly to 2.4GHz WiFi for easy setup and integration with smart home ecosystems.
Precision Engineering
High-sensitivity magnetic sensor with durable ABS housing, ensuring reliable performance in any weather condition (indoor/outdoor use).
Energy-Efficient & Long-Lasting
Low-power design with replaceable CR1632 battery, offering extended usage without frequent maintenance.
Versatile Applications
Ideal for homes, offices, warehouses, and retail spaces—monitor unauthorized access, automate lighting, or enhance child/pet safety.
Bulk Purchase Advantage
Global wholesale pricing ensures the best value for large orders, backed by fast logistics and reliable supply.