Other Measuring Ranges = Irradiance: 0 ... 1400 W/m² / Other Measuring Ranges = Inclination Angle: -90 ... 90° / Other Measuring Ranges = Temperature: -30 ... 100 °C / Other Measuring Ranges = Compass: 0 ... 360° / Display Type = LCD / Battery Type = 4x AA, 1.5 V / Battery Life h = 50 / Operating Temperature Min. °C = -20 / Operating Temperature Max. °C = 50