Sony HVL-F43M External Flash Bundle Includes Manufacturer Accessories + 180-Degree Flash Bracket + Bounce Diffuser + AA Batteries with Charger + Microfiber Cleaning Cloth Compatible with Sony ADI / P-TTL; Guide Number: 141' at ISO 100 and 105mm Zoom Range: 24-105mm (15mm with Panel); Quick Shift Bounce for 90 L/R Pivot Tilts from -8 to 150; Wireless TTL Ratio Controller/Remote LED Light with 400 lux Output at 1.6'; Recycle Time: 0.1-5 Seconds Slow, High-Speed, 1st & 2nd Curtain Sync; Runs on 4 AA Batteries