Features: This instrument is simple and to operate with switchable ranges. 3 12/ digits 18mm LCD display for clear reading. Simple structure, convenient carrying and good stability. Elaborate integrated circuit provides and durability, permits a wide range of measurements. It is widely used for factory, warehouse, school, , family, street lamp construction, laboratory and so on. Specifications: Display: 3 12/ digits LCD display Battery: 1 x 9V 6F22 battery NOT( included) Measuring range: 1100000Lux-,. 3( Ranges) 20000Lux, range: reading x 10 100000Lux, range: reading x 100 Accuracy: 10000Lux,, 4rdg10digit±(%+) 10000Lux>,, 5rdg10digit±(%+) Resolution: 1Lux Repeatability: 2±% Temperature Characteristic: 1±%/℃ Sampling Time: 05. second Photo detector: one silicon photo diode with fliter Color: As picture shown Number height: 18mm / 071inch. Size: Approx. 130 x 72 x 30mm / 511. x 283. x 118in. Weight: Approx. 231g Package Included: 1 x Meter 1 x Carrying 1 x User Manual