· Display: 18mm (0.7”) LCD · Ranges: 0-50,000 Lux over 3 ranges · Over-input: Indication of “ l ” · Sampling time: 0.4 seconds · Operating temperature: 0º to 50ºC (32º to 122ºF) · Operating humidity: Less than 80% RH · Follows the CIE (International Commision on Illumination Photoscopic Curve) · Dimension: 118 x 70 x 29mm (4.6 x 2.7 x 1.1”) · Weight: 200g (including battery) · Power supply: 006P DC9V battery (Not included). Consumption current approx 2 mA Electrical Specifications Range | Resolution | Accuracy (23±5ºC) | 0-2,000 Lux | 1 Lux | ± (5%+2d) | 2,000-19,990 Lux | 10 Lux | ± (5%+2d) | 20,000 -50.000 Lux | 100 Lux | ± (5%+2d) | |