Display: 3 1/2 digit liquid crystal display (LCD) with a maximum reading of 1999. 
Zero: Automatic 
Low battery indication: The "Battery symbol " is displayed when the battery voltage drops below the operating level. Operating environment: 0 degC to 50degC, at <70% relative humidity. 
Storage temperature: -20degC to 60degC, 0 to 80% R.H. with battery removed from meter. 
Accuracy: Stated accuracy at 23degC+/-5degC, <75% relative humidity. 
Battery: 1.5V x 3pcs AAA size. 
Dimensions: 155mm(H) x 48mm(W) x 24mm(D). Weight: Approx. 2.9 oz.(81.2g) including battery. 
UVA: UVA: Sensor: UV Photo diode Range: 199.9 microW / cm2 1.999 mW / cm2 19.99 mW / cm2 Accuracy: +/-(4% FS +/-2dgts) (FS: full scale) 
UV Sensor Spectrum: Band pass 320-400nm