Sony HVLF20M MI Shoe External Flash for Alpha SLT/NEX (Black) Specifications: FlashFlash Modes Bounce Upward angle: 75 degrees Guide Number GN20 Flash Coverage GN20 = up to 20 meters (65 ft) at ISO100 with 50mm lens Number of Flashes More than 90 times (Alkaline battery) Power Source 2 x AAA Batteries; Alkaline, NiMH GeneralMaterial Poly–carbonate plastic Operating Conditions Flash Modes Automatic Light Control Storage Temperature (–4 to +140°F (–20 to +60°C) PowerBattery Type AAA Alkaline /AA Ni–MH – requires 2 Weights and MeasurementsDimensions (Approx.) (WHD) 2 1/2 x 4 1/2 x 31/32 inches (62 x 114 x 24mm) Weight (Approx.) (105g) 3.7oz Compatibility: Compatible with the following Sony digital cameras that uses a Multi Interface Shoe (ISO) including: Alpha SLT-A58 Alpha SLT-A99 Alpha A7 Alpha A7 II Alpha A7R Alpha A7S Alpha A3000 Alpha A6000 Alpha NEX-6 Cyber-Shot DSC-RX1 Cyber-Shot DSC-RX1R Cyber-Shot DSC-RX10 Cyber-Shot...