Light metering: about 30 average light meteringEV range: 1-22Cold shoe position: left, center, rightWorking temperature: -12-60Working humidity: 10%-90%Main size:35x28x11.5mmEndurance:CR1632 button battery.(battery is not included.)ISO Range:8-64008, 10, 12, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 6400Shutter range:30S-1/8000S30. 15. 8. 4. 2. 1. 1/2. 1/4. 1/8. 1/15. 1/30. 1/60. 1/125. 1/250. 1/500. 1/1000. 1/2000. 1/4000. 1/8000Aperture range:1-321, 1.2, 1.4, 1.7, 2, 2.6, 2.8, 3.5, 4.5, 5.6, 6.7, 8, 9.5, 11, 13, 16, 19, 22, 32EV Compensation: -2, -1.5, -1, -0.5, 0, 0.5, 1, 1.5, 2Colour:BlackMaterial:MetalPackage Contents:1 * Light MeterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.