The RFS 2.2 C Transceiver for Canon is a 2.4GHz radio remote triggering device compatible with Broncolor packs and flash heads that have built-in RFS 2.2 technology. As an alternative, an additional transceiver can be used as a receiver on a Broncolor pack or head without built-in radio technology. The RFS 2.2 C has a wireless indoor range of 98' and an outdoor range of 164'. It has a studio address setting range of 1-99 and a lamp address setting range of 1-40 and is capable of 100 releases per second. The RFS 2.2 C supports High Speed Sync for full control of ambient light, and it runs on 2 included AA batteries.