Godox FT-16S Wireless Power Control Flash Trigger Receiver For Godox VING V850 This is probably one the most sought-after item for Godoxs ground-breaking lithium powered VING V850 portable flash C the FT-16S flash trigger. The FT-16S works with all camera systems such as Canon, Nikon, Pentax etc. The FT-16S trigger set works brilliantly by simply attaching a thumb-sized receiver to the V850s wireless control port, and mounting the transmitter to your cameras hot shoe. This allows you to mount the flash directly on light stands without a receiver. 16 Flash Groups 16-selectable flash groups, from A to F, and 0 to 9 by adjust the dial; Channel dial on the transmitter sets flash power output in each group; Remote Flash Power Control Option to turn off a particular flash group; Two flash power ratios available; Power adjustment by 0.3EV, from 1/128 to 1/1; Specifications: Model: FT-16S Transmitter Power Supply: 3V (2 x AA Ni-MH or alkaline batteries) Receiver Power Supply: 5V (powered by flashes) Transmit frequency: 433Mhz Channels: 16 Working Distance: 50m Flash controls: Flash power ratio; Modeling lamp / AF-assist beam; Buzzer; Power radio display modes; Flash triggering; Maximum Sync Speed: 1/250s Compatible Triggers: Godox CellsII Transceiver Dimension of Transmitter: Size: 97.6 x 49.9 x 36.95mm; Weight: 70g (without battery); Dimension of Receiver: Size: 55 x 27 x 9mm; Weight: 10g; Package included: Godox FT-16S Transmitter x1 Godox FT-16S Receiver x1 Instruction manual in English and Chinese x1