A user-friendly, compact, with a responsive flash duration; the Godox TT350O Mini Thinklite TTL Flash is the perfect companion for your Olympus/Panasonic cameras to create beautiful lighting for your everyday journey and functions. The lightweight flash is packed with amazing and powerful features, offering a guide number of 36 m at ISO 100 and 105mm; a built-in 2.4G wireless radio system; master and slave function that allows you shoot off camera; full TTL functions that offers High Speed Sync (HSS) of 1/8000s, front and rear curtain sync, multi flash, flash exposure compensation and more; and with two 2500mAh Ni-MH batteries it can provide up to 210 full power flashes with an approx. 0.1 2.2s recycle time.