Bolt VS-510C Wireless E-TTL & E-TTL II Shoe Mount Flash For Canon DSLR Cameras | Supports Wireless E-TTL & E-TTL II | Guide Number: 141' at ISO 100 & 50mm Auto & Manual 24-105mm Zoom Head | Adjustable Tilt & Swivel Head | 1.8" Rear Backlit LCD Display 6x Manual Levels: Full to 1/32 Power | AF Assist for Low-Light Photography | High Speed & Rear-Curtain Sync Built-In Reflector & Diffuser Whats In The Box: Flash Mount Stand, Limited 1-Year Warranty