This instrument is simple and easy to operate, 4 ranges to be switchable. This pocket design makes it convenient and portable, easy to use and to get a precision reading. Specifications: Display: Large LCD characters display Range: 0.1~200,000Lux, 0.01~20,000Fc Resolution: 0.1Lux / 0.01Fc Accuracy:±4% Measurement speed: 2 times / second Units: Lux & Fc Hold function, Auto range & Manual range Auto Power OFF: After approx.15 minutes Power Supply: One 9V battery Low power of battery detecting Operating Environment: 14 to 122?(-10 to 50?), 10%~90%RH Dimensions: 145 X 67 X 33mm (5.7" x 2.6" x 1.3") Weight: 170g (6.0 oz)

Low power of battery detecting,Operating Environment: 14 to 122?(-10 to 50?), 10%~90%RH. Hold function, Auto range & Manual range,Auto Power OFF: After approx.15 minutes. Resolution: 0.1Lux / 0.01Fc , Accuracy:±4%,Measurement speed: 2 times / second,Units: Lux & Fc. The digital light meter uses a 9V battery(not included); Accurate up to 200,000Lux +/- 5%. The digital light meter will allow you to measure the lighting in an area.

Date First Available: November 30, 2015. Best Sellers Rank: #6 in Photographic Light Meters. Customer Reviews: 4.3 out of 5 stars 403 ratings 4.3 out of 5 stars. : B018QLIVSC. Batteries Required?: ?No. Batteries Included?: ?No. Item Package Quantity: ?1. Power Source: ?Battery Powered. Material: ?Plastic, circuit board. Color: ?Gray. Is Discontinued By Manufacturer: ?No. Batteries: ?1 A batteries required. Item model number: ?4331906504. Package Dimensions: ?6.5 x 3.6 x 1.6 inches. Item Weight: ?4.8 ounces. Part Number: ?HRD-PN-79081807. Manufacturer: ?Leaton.