The Metrix Plus - 1.5 V Digital Lux Meter is a high-range, lightweight, light intensity sensor. The 1.5 V Digital Lux Meter has a separate light sensor connected to the main device with a cord. The minimalistic button layout is very convenient for new users. The LCD screen of the Metrix Plus - 1.5 V Digital Lux Meter has a backlight for clear visibility. The Digital Lux Meter has a special PC data logging function. The data recorded on the device can be logged on any PC by connecting the device to the system with a USB Data Cable. The Lux Meter set provides the main unit, light sensor, USB Data Cable, Carrying Case, and an Operation Manual. Product Specifications: Company: Metrix Plus Product Code: LX 1336A Measuring Ranges: 3 ranges 3 Measuring Ranges: 0-4,999 / 5000-49,999 / 50000- 5,00,000 Accuracy: ± (5%n+5d) Net Weight: 200 g