Specifications:

• Electronic construction: Wireless remote flash unit with Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry
• Angle of coverage: 78 degrees horizontal, 60 degrees vertical
• Guide number: 10/33 (ISO 100, m/ft.), 14/46 (ISO 200, m/ft.)
• Flash modes: i-TTL, D-TTL, TTL (film-based cameras), M (manual)
• Recycling time: 6 seconds or less
• Bounce capability: Flash head tilts down (toward optical axis) to 60 degrees with stops at every 15 degrees, and up (away from optical axis) to 45 degrees with stops at every 15 degrees
• Number of flashes: Approximately 290
• Flash duration: Approximately 600 micro-seconds
• Mounting foot: Dedicated shoe for SX-1 Attachment Ring or AS-20 Speedlight Stand
• Power source: One 3V CR123A lithium battery
• Dimensions (W — H — D): Approximately 80 x 75x 55 mm (3.1 x 3.0 x 2.2 inches)