Feature: 1. Lightweight And Portable: Photography set top reflection light meter is lightweight and portable, easy for you to carry 2. Four Key Operation: Four key operation reduce work difficulty, automatic shutdown function increase working time 3. For Equipment With Insufficient Space: Suitable for equipment with insufficient space on the left side of the cold shoe or hot shoe 4. Resist Oxidation And Corrosion: Made of good quality ABS material, resist oxidation and corrosion to increase service life 5. ±3 Level Exposure Compensation: Reflector measuring angle for 32°, measuring range from 2‑18EV, with ±3 level exposure compensation Specification: Item Type: Light Meter Material: ABS Model: L102 Measuring Angle: 32°(reflector) ISO: 6-6400 Obturator: 8S-1/2000 Opening Type: F1-F64 Measuring Range: 2-18EV Exposure Compensation: ±3 Levels Battery Model: Lithium battery Battery Capacity: 150mAh Parameter Range: ISO: 6, 12, 25, 50, 64, 80, 100.125.160.200.250.320.400.500.600.800, 16003206400 Open Priority Mode: F: 1, 1, 2, 1, 4, 1, 8, 2, 2, 4, 2, 8, 3, 2, 3, 5, 4, 5, 5, 6, 3, 7, 1, 8, 9, 10, 11, 13, 14, 16, 18, 20, 22, 26, 28, 32, 36, 40, 45, 52, 56, 64 T: 1, 2, 3, 4, 5, 6, 8, 10, 13, 15, 20, 25, 30, 40, 50, 60, 80, 100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000 Shutter Priority Mode: T: 1, 2, 4, 8, 15, 30, 60.125.250.500, 10002000 F: 1, 0, 1, 2, 1, 4, 1, 8, 2, 0, 2, 4, 2, 8, 3, 3.2, 3.5, 4.0, 4.5, 5, 5, 6, 6, 3, 7, 1, 8, 0, 9, 10, 11, 13, 16, 18, 20, 22, 25. Package List: 1 x Light Meter1 x USB Cable Note: Don't overload.