SAVEoN A/F Flash + U Bracket + TTL Cord for Nikon D5100, D5200, D3100 (Flash XTDF260N) Metal hot shoe, Memory function, Power saving mode, Wireless trigger sensor Accurate brightness control, Support front curtain synchronous, Powerful flash with high Guide No: 68(m) / 223ft Compatible with i-TTL cannon flash automatically, Supports multi-flash lighting applications (S1/S2 mode), Automatic temperature detection(overheating protection), Power Ratio: 1/1 - 1/128 Automatic temperature detection(overheating protection),Red Eye Reduction LCD display, one year warranty Wide Angel Diffuser & Reflection Board