This thimble sensor is compatible with all Heatmiser Thermostats that accept remote sensors. It is compatible with most heating systems, including gas, oil, and electric boilers. It has a temperature range of 0-50°C (32-122°F) and a humidity range of 20-90% Rh, making it suitable for use in a wide range of environments. The sensing element is mounted in an attractive ‘thimble’ enclosure for surface mounting, typically on a backplate or a ceiling tile in the natural air flow of the room. The device is designed to be versatile and can be used in a range of applications, from residential to commercial. The device is reliable and comes with a two-year warranty for added peace of mind. The cable length is 2m Diameter: 9.75mm Used to measure air temperature Allows for discreet placement The Heatmiser Thimble sensor is a wireless temperature and humidity sensor designed for use with Heatmiser's Neo and SmartStat thermostats. This thimble sensor is compatible with all Heatmiser Thermostats that accept remote sensors The Thimble sensor is small and discreet, measuring just 36mm in diameter and 16mm deep. It can be easily placed on a shelf, table or desk, or mounted on a wall using the included bracket., Weight: 0.110231131 Pounds, Manufacturer: Heatmiser