Receiver only for the Strato TTL Flash Trigger for Nikon. The Phottix Strato TTL Flash Trigger – the newest addition to the ever-popular Strato series of flash triggers and wireless remotes. It provides an easy-to-use and affordable TTL flash triggering solution to photographers. With the LCD display and quick-change buttons adjustments are fast and easy. High-speed and second curtain sync are supported in this 4-channel, 2.4 GHz transmitter and receiver set. Shoot at maximum shutter speeds of 1/8000 s. * The receiver is easy to connect to light stands or other grip with a locking metal cold shoe and ¼ x20 threaded lug. The Strato TTL transmitters and receivers use AA batteries, just like hot shoe flashes - carrying different sized batteries is no longer a concern.