Feature: 1. [Light Sensor] The independent light sensor allows the user to take measurements in the best position. 2. [Superior Performance] The digital illuminance meter has quick response, wide measuring range, low power consumption. 3. [Low Power Indicator Light] Built in low power indicator. It can be read even in a dark environment. 4. [Widely Used] Suitable for measurements in offices, schools, factories, etc. Compact size, light weight, easy for carrying. 5. [Premium Material] The digital light meter is made of ABS material, sturdy and durable, long service life. Specification: Item Type: Digital Light Meter Material: ABS Model: LX1010B Display: Approx. 18mm/0.7in (Text Height) Measurement Range: 0-50000lx (3 Gears) Sampling Time: 0.4S Working Temperature：0~50℃ Working Humidity: ＜80%RH Shipped Without Battery, Use 9V 6F22 Battery. Package List: 1 x Digital Light Meter 1 x Manual Note: Do not connect the wrong positive and negative battery terminals