Dual LCD readout shows ambient temperature and relative humidity
Integral probe for convenient one-handed operation
User selectable °F / °C
Min/Max memory for both functions
Data hold and Relative functions
Auto power off
Includes battery
Specifications: Humidity Range: 0 to 100% RH Resolution: 0.1% RH Accuracy: ±3% RH Temperature Range: -4 to 140°F (-20 to 60°C) Resolution: 0.1°F/°C Accuracy: ±1.6°F/0.8°C Power Supply: Single 9V battery Dimensions: 9.5 x 2.1 x 1.3" (240 x 54 x 34mm) Weight: 6.4 oz (180g)