The “NEW Transceiver Caddy, V2” is designed for the new PocketWizard FlexTT5. Its design is such as it lets you attach the TT5 to a light stand, etc. just like the original Caddy. With this V2 Caddy, you can now get the TT5 away from your speedlight and when using a TTL extention cable, it will now work to its full distance without problems from the RF Signal. Also, this is a must when using the TT5 on any standard studio light to have the same advantages of the original Caddy.