Lutron HT-3007SD Humidity / Temp. Meter

4-in-1 design for easy operation
Features with real-time SD memory data logger and built in clock and calendar
Large LCD with dual-line display showing humidity and temperature readings simultaneously
Easily switch between ℃ and ℉ for temperature measurement, simple and convenient
With data hold function and records maximum and minimum readings  
Automatic power off for energy saving
Size : 177 x 68 x 45mm
Weight : 489g