Features: This mini flash is compactly and portable. Up and downwards angles of 0-45-60-75-90 degrees adjustment. Equipped with 2.5mm PC sync port. Flash index GN20m, illuminating angle 60° horizontally and 40° vertically. Adjustable lamp base is ideal as a light source for color and black and white photos, and can be used as auxiliary light photo taking. Compatibles a wide rangingof digital and conventional cameras. Specifications: Index: GN20m (ISO100, DIN21) Color temperature: 5600K Lighting angle: 60° horizontally, 40° vertically Recovery time: 7seconds Durations: 1/1000seconds Power supply: 2xAA battery (NiDd and NIMH rechargeable batteries available, not included) Product size: about 10x6.5x6cm/3.94x2.56x2.36in Packaging Weight: 160g/5.2oz Package Includes: 1PC Flash note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.