System includes wireless flash sync & wireless shutter release, using up-to-date digital circuitry.
Provides a coded radio signal that works indoors, outdoors, around corners and through walls.
Line of sight is not required between Sender and Remote.
An extended range to 350' (110m). With the antenna down, range is up to 200' (60m).
There is a hot shoe mount for the Sender. This allows the unit to attach to a camera shoe, and sync cord is not required. Or use provided Quantum sync cord to connect to camera sync. Also can be mounted to brackets, dead shoes, etc. with touch fastener (supplied).
Has a much longer battery unit for Remote unit. With 4 AA alkaline batteries you receive up to 400 hours (up from 80 for previously used (2) 9V batteries). Up to 800 hours with 4 AA Lithium batteries. The Remote can also use AC power with accessory models.
Includes 2 senders and 4 receivers and misc cables.
Radio Slave 4i is compatible with the Radio Slave 4 and Radio Slave 2.

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