The TeleGiga S03D Bluetooth door Sensor is designed for reliable door and window monitoring. With its data logging and real-time alerts, the smart door window sensor detects openings and closings with precision. Enhance security and visibility in various settings such as homes, warehouses, laboratories, and more. The outstanding 2600mAh battery ensures an operational lifespan of over 8 years. Utilizing BLE technology, the device wirelessly transmits status updates to mobile phones for remote monitoring and intelligent notifications. Easy to install on doors, windows, or desk drawers, the S03D door open sensor adds security and automation to your smart IoT system at an affordable price.