The Bluetooth Temperature and Humidity Sensor Shelly BLU H-T is a waterproof and dustproof Bluetooth sensor. It accurately measures temperature and humidity levels, which are essential for maintaining a comfortable and healthy thermal environment. When integrated in parallel with other Shelly devices, it allows for the automation of air conditioning control, thus enhancing overall comfort and well-being indoors. It detects and reports temperature and humidity. IP54 protection level: waterproof and dustproof. 1 x 3 V CR2032 battery (included). Long battery life: up to 3 years. Encryption (high security). Beacon mode (can be used for presence detection). No hub is required. Control from the Shelly Smart Control app, BTHome protocol, or various platforms. It can be integrated into automation scenarios as well as scenes. * To use this device with the Shelly Smart Control app, a gateway is required. Compatible gateways are the Shelly BLU Gateway or any other Shelly device from the Plus, Pro, or Gen3 ranges (except sensors). The Shelly BLU H-T is a very accurate Bluetooth sensor used to measure ambient temperature and humidity levels; compact, aesthetic, and highly durable, the device can be paired with other Shelly devices to control heating, air conditioning, and ensure optimal comfort. A pleasant and healthy home: Enjoy the precision of the BLU H-T sensor and adjust ambient temperature to the weather; schedule it to trigger heating or close the shades for optimal temperature; similarly, control ventilation in your bathroom through integration.