Specification Brand ProtapModel PRTETP03Input Voltage 3VBattery Model CR2450 x 2 replaceable Wireless Connection Zigbee3 0LCD Display Size 3 2 Net Weight 69 5gProduct Dimensions 59 5 x 62 5 x 18 5mmOperating Temperature Range 9 9°C to 60°C 14°F to 140°F Operating Humidity 5 95 RH non condensingTemperature Accuracy ±0 5°CHumidity Accuracy ±2 RHFeatures 1 Zigbee3 0 Connectivity Provides seamless integration with Home Assistant via the eWeLink add on for smart automation 2 Precise Measurements Accurate temperature detection up to ±0 5°C and humidity levels with ±2 RH tolerance 3 Fast Responses Rapid measurement updates every 5 seconds for real time data 4 Multiple Display Options Units can be switched between °C and °F via a single button 5 Versatile Placement Supports tables top magnetic mounting and wall mounted installations 6 Low Power Consumption Operates for up to 3 years with replaceable CR2450 batteries Package Includes 1x Thermohygrometer1x User Manual1x Magnetic Holder