Half of the PowerSync Mini Digital Radio Slave System, thePS16-MINI-R Receiver fromImpact operates on the 2.4 GHz frequency to accept signals from its optional transmitter, allowing manual triggering of flash units at distances up to up to 328'. The PowerSyc Mini System has 16 discrete channels to thwart interference from other shooters on site or to separately trigger groups of speedlights or studio strobes in several different setups or in complex lighting scenarios at sync speeds as short as 1/200 second. By attaching the receiver directly to your camera, it's also possible to use the transmitter as a handheld remote trigger. The receiver features a multi-use hot shoe mount that's compatible with most flashes. Measuring only 3.1 x 2.1 x 1.2" and weighing just 2.6 oz, you'll barely know that it's in your bag. The receiver operates on two included AA batteries. High Performance 16- Channel Digital Radio System 16 digital channels operating on the 2.4 GHz frequency prevent interference from other shooters at events and is ideal for multiple setups and complex lighting scenarios. Extensive Range of Reliable Performance A speedlight or strobe can be triggered at distances up to 328' - an especially valuable feature for flash units mounted in hard to reach places. Fast Sync Speeds Compatible with most cameras, the receiver has a sync speed of 1/200 second allowing the user to freeze action without ghosting. Mounting Options The PS16-MINI-R has a 1/4"-20 threaded socket for stand-mounting, while a cradle with reusable adhesive strips is included so you can conveniently attach the receiver to a studio light. A lanyard is also included to hang the receiver on a light stand. PowerSync Compatibility The receiver is also compatible with Impact's PowerSync 16 Transmitter.