Yongnuo YN200 Battery Powered Speedlite features a 200Ws of power from a bare-bulb design, a removable Li-Ion battery for power, and support for TTL and HSS. It also features the 560 PRO radio system, so it will automatically sense whether you’re shooting on Canon, Nikon or Sony and is backwards compatible with any Yongnuo 2.4GHz flash gear.