Light Meter - A lightweight pocket Reflected Light MeterLight Meter features include: Easy to use Pocket Size &: Light Weight 3 1/2 Digit LCD Display with Low Battery Indication Resolution To 0.1 Lux Measurement: 1 footcandle = 10.76 lux Measuring Range 200, 2000, 20000, 50000 Lux 20000 Lux: Reading x 10, 50000 Lux: READING x 100 Accuracy: ±:5% Rdg ±:10 Digits (<:10,000 Lux) Accuracy: ±:10% Rdg ±:10 Digits (>:10,000 Lux) Calibrated to Standard Incandescent Lamp 2856K Includes One 12 Volt A23 Battery Photo Detector Dimensions: 4.5in, X 2.4in, X 1.1in, Light Meter Dimensions: 4.5in, X 2.5in, X 1.1in, Weight: 5.6 Ounces Order Qty of 1 = 1 Piece Below is more info on our Light Meter