Ubiquiti Networks mFi-THS Temperature Sensor for mFi Management System Type: Temperature Sensor Color: White Specifications: Temperature Range: -10 to 50 degree Accuracy at +25 degree, 50% RH: ±0.5 degree Temperature Accuracy from -10 to +50 degree: Max. ±1.3 degree Response Time: Dimensions: 3.94 x 3.35 x 1.09 Weight: 0.18 lb.