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 displayBattery: 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 100Accuracy: 10,000Lux: 4%rdg0.5f.s 10,000Lux: 5+10digitsRepeatability: 2%Temperature Characteristic: 1%/Sampling Time: 0.5 secondTemperature characteristic: 0.1%Color: Red Size: Approx. 130 x 72 x 30mm / 5.12 x 2.83 x 1.18inWeight: Approx. 394gPackage Included:1 x Light Meter1 x Carrying Case