The Strato II 5-in-1 receiver is an extra receiver for the Phottix Strato II system. The Phottix Strato II Multi 5-in-1 Wireless Trigger System offers four channels and four groups for total control in the studio or on location. It features a range of 150m, 1/250 sec sync speed, wired and wireless shutter release functions, and a pass-through hot shoe on the transmitter allows on camera flash to use TTL functions. It comes with 2x AAA batteries, PC to 3.5mm cable, 3.5mm to 3.5mm cable, 6.3mm adapter, lanyard and instruction manual.