... 1999Ranges: 1-100,000Lux.(3Ranges) 20,000Lux range:reading*10 100,000Lux range: reading*100Resolution: 1 LuxAccuracy: ≤10,000 Lux:± ... 4% rdg±0.5 f.s ≥10,000 ... 104°F) 0-70% RhStorage temperature-humidity: -10°C to 50 °C(14°F-122°F)0- ... 2,000Lux/20,000 lux) Indication of “Over”(100,000 Lux)Dimension: 106*57*26mm(photo detector) ...