Features: This instrument is simple and easy to operate with switchable ranges. 3 1/2 digits LCD display, maximum reading value display 1999. Simple structure, convenient carrying and good stability. During hold mode, LCD displays "H" and the value is locked on LCD; Push selection button to "OFF" to exit the data-hold mode. It is widely used for factory, warehouse, school, office, family, street lamp construction, laboratory and so on. Specifications: Display: 3 1/2 digits LCD display Battery: 1 x 9V 6F22 battery (NOT included) Measuring range: 1-100,000Lux. (3 Ranges) 20,000Lux range: reading x 10 100,000Lux range: reading x 100 Accuracy: ≤10,000Lux: ±4%rdg±0.5f.s ≥10,000Lux: ±5+10digits Repeatability: ±2% Temperature Characteristic: ±1%/℃ Sampling Time: 0.5 second Temperature characteristic: ±0.1%℃ Color: Red Size: Approx. 130 x 72 x 30mm / 5.12 x 2.83 x 1.18in Weight: Approx. 394g Package Included: 1 x Light Meter 1 x Carrying Case 1、This instrument is simple and easy to operate with switchable ranges 2、3 1/2 digits LCD display, maximum reading value display 1999 3、Simple structure, convenient carrying and good stability 4、During hold mode, LCD displays H and the value is locked on LCD; Push selection button to OFF to exit the data-hold mode. 5、It is widely used for factory, warehouse, school, office, family, street lamp construction, laboratory and so on