Fibaro Door Window Sensor iOS Bluetooth Reed and Temperature Smart Magnetic Switch, White

The Door/Window Sensor detects opening/closing using Hall effect sensor and reports it to your iOS device. Opening is detected by separating the sensor’s body and the magnet. Changing the state is indicated with one blink. The Door/Window Sensor detects tampering whenever the accessory is detached from the surface or casing is opened and reports it to your iOS device. Tampering is indicated with two blinks. The Door/Window Sensor measures ambient temperature every 10 minutes. If the measured temperature differs from previously reported by at least 1°C (1.8°F), accessory reports it to your iOS device. The Door/Window Sensor measures battery level every 24 hours and reports it to your iOS device. Additionally, if battery level is below 15%, the accessory will report low level battery status to your iOS device. Controlling this HomeKit-enabled accessory requires an iPhone, iPad, or iPod touch with iOS 9.3 or later., Weight: 0.02866009406 pounds, Manufacturer: FIBARO