Thermo-Hygrometer, DURAC, 0/50C(32/122F) Formerly

HB Instruments Thermometer-hygrometer, Electronic, 0 to 50°C Temperature Range, 20 to 99 % Humidity Range, 1°C, 5% RH Accuracy, 0.1 Resolution, 33mm Mounting Opening Diameter, 7mm Mounting Thickness, 41 Deep x 50mm dia, (1) CR2032 Battery, ABS Plastic Construction, Units Display Temperature and Humidity Simultaneously, Easy Installation with No Wiring, CE Mark and RoHS Compliant, DAkkS and NIST Certified - BEL