Wide range and high precision: 0 to 50,000 lux (accuracy +/- 5%). Scan time: 0.4 seconds. (one 9V battery included). LCD Display: Easy to read even in bright light conditions. Great Function: With the separate light sensor, the user can make measurements in an optimal position. Data hold function: Hold measurements. Low battery indicator. Compact and lightweight. Allows a variety of light measurements. The use of LSI circuitry provides high reliability and durability. Display: 3 1/2 digit LCD display, character height 18 mm Measurement range 1 Lux ~ 50,000 Lux Sampling rate : 2.0 times/second Repeat test: 2% Temperature characteristics: 0.1%/ Accuracy: 4% of reading 0.5% f.s (Over 10,000 Lux, accuracy is 5% 10 characters) Product size: 118 70 29 mm Product colour: black Scope of delivery: One piece