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: <±1.5% /year

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℃,  <80%RH

Storage Temperature and Humidity: -10~50℃, <70%RH

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