The Pixel Rook is a multi-functional 3 in 1 remote control device
It can be used as a wireless shutter remote control and as a wireless flash trigger system as well as a wireless studio trigger system
Offers TTL pass-through on the transmitter and Wireless flash grouping
Features include FSK 2.4GHz signal, TTL pass-through hotshoe on the transmitter, 4 channels, wireless flash Grouping: 3 groups with 7 combinations (A, B, C, AB, AC, BC, ABC), claimed range of up to 200 metres, 3.5mm sync sockets, sync speeds up to 1/250th sec, metal hotshoe foot