Display : 3 1/2 digits LCD display， maximum reading value display 1999 .
Ranges: 1-50，000Lux.
Resolution: 1Lux .
Accuracy: ≤10，000Lux: ±4%rdg±0.5f.s ≥10，000Lux:±5%+10digits .
Repeatability: ±2% .
Temperature Characteristic: ±0.1%/℃ .
Test rate: 0.4 sec.
Photo detector: one silicon photo diode with filter.
Dimension: 165×67×32mm .
Weight: approx. 155 g (including battery) .