The Qflash TRIO QF8 combines a Qflash head with built-in FreeXwire TTL radio and QTTL adapter for your digital camera. Slip it onto the camera hot-shoe, connect a Turbo, and go.TRIO's radio sends TTL commands to other remote Qflash TRIO's. Configure distinct modes and settings of remote Qflash TRIO's from the on-camera TRIO. And, the on-camera TRIO controls older Qflash* models mated to FreeXwire receivers. Control an unlimited number of remote Qflash units.Radio QTTL signals from TRIO do not require line-of-site like camera optical links... they're more reliable and work at 5 times the distance.An accessory, Qflash PILOT QF9, provides all the features of the TRIO without the flash head. The self-powered PILOT commands remote Qflash, requires no external power pack and mounts to a hot shoe.Features:Compact, shoe mounted Qflash with High Speed Sync capabilities.TRIO QF8N for digital Nikon and Fuji cameras, QF8C for digital Canon cameras.Control and synchronize any number of remote Qflash.Send camera TTL wireless data to remote Qflash*.Receive QTTL signals from other TRIO's or FreeXwire transmitters.Unlimited rapid-fire, full power flashes.Built-in transmitter and receiver. TRIO can be the on-camera Qflash and control unit or a remote Qflash.Removable long (CQ8) and short (CCQ8) power cables.Light modifiers: Snoot, Bare Bulb, Bare Bulb Enhancer, Tele, Diffusers, Softboxes.Power: Turbo, Turbo 2x2, Turbo Compact, Turbo Slim Compact, Turbo AC.