Jumbo Thermo-Hygrometer. A combined temperature and humidity meter ideal for environmental monitoring. The large LCD is easy to read at distance. Simultaneous display of humidity in RH and temperature in °C or °F; 63 80 mm large digit LCD; Min/max memory since last reset; Impact-resistant ABS case with desk stands and wall mounting; Supplied with battery. Dimensions (L W D): 138 95 20mm.• Temp range: -10°C to +50°C• Humidity Range: 25% to 98% RH• Resolution: 0.1°C, 1% RH• Power: x 1.5V AA battery (supplied);• Weight: 143g