With full support for Canon E-TTL / E-TTL II, including high-speed sync, and a built-in 2.4GHz radio system, the compact Godox TT350C Mini Thinklite TTL Flash is an excellent everyday companion for your camera. With a lightweight design and guide number of 118' at ISO 100 and 105mm, the TT350C is useful for both on-camera and off-camera operation. Users can also use it as an optical slave in addition to use as a radio TTL master/slave unit. It is versatile as well with the ability to tilt from -7 to 90° and rotate 270°. Multiple functions and features are built into the unit, including HSS, stroboscopic flash, 1st and 2nd curtain sync, and more. It is also easy to use with a rear LCD and it works quickly with a recycle time of 0.1-2.2 seconds. Additionally, it runs on just two AA batteries.