Specification:
Model: SM206
Resolution: 0.1W/m², 0.1Btu/(ft²-h)
Range Error: ± (10%R+2dgts)R: readings
Temperature Error: ±0.38W/m²/℃[±0.12Btu/(ft²-h)/℃] deviation at 25°C
Display: 4-1/2 LCD display, maximum display numerical value 19999
Overload Display: "OL"
Shift: Measurement Range: 0.1-1999.9W/m², 0.1-1999.9Btu/(ft²-h)
Sampling Time: 2.5 seconds/time
Operating Temperature and Humidity: 0~40℃, Storage Temperature and Humidity: -10~50℃, Battery: 9V battery (NOT included)
Size: Approx. 132 x 60 x 38mm / 5.2 x 2.4 x 1.5in
Weight: 325g / 11.5oz (approx.)

Package list:
1 * Solar Radiation Measuring Instrument (battery is NOT included)
1 * User Manual
1 * Packing Box