Caution: color: we ship according to the color of the first picture, in the package: If the quantity is not stated in the description, we will ship the item according to the quantity and model in the title.If the title does not have a quantity, it is 1pcs. Godox fc-16 transmitter + 2x receiver 2.4G 16 channels wireless remote flash speedlite strobe trigger shutter release for canon the product is shipped based on the color or size of the main image of the product page. Godox fc-16 transmitter + 2x receiver 2.4G 16 channels wireless remote flash speedlite strobe trigger shutter release for canon the 2.4Ghz wireless remote trigger is composed of transmitter and receiver and features multi-channel triggering, stable signal transmission,and sensitive reaction. It can function as a remote studio flash trigger, a speedlite trigger and a camera shutter release. It is compatible with all brands of studio flash, outdoor flash and camera flash. It can work with almost any camera brands such as canon,nikon,pentax, etc by changing the camera remote cable. 16 Delectable channels. Operating distance: up to 100 meters. Max. Sync speed to 1/250s. Support one for multiple. Suitable for: with c1, c3 cable,suit for different camera. C1 cable for pentax: k-5, k-7, k10d, k110d super, k100d, k110d, k200, k20d, *istd, *istds, *istds, *ist, *istds2,mz-6, zx-l, mz-l for canon: 1100d t3i , 600d t2i , 60d, 550d digital rebel t2i , 500d digital rebel t1i , 1000d digital rebel xs , 450d digital rebel xsi c3 cable for canon 7d, 50d, 40d, 30d, 5d, 20d, 10d, 5d mark ii/iii,1dmark iv, 1ds mark iii, 1d mark iii, 1d mark ii n, 1ds mark ii, 1d mark ii, 1ds, 1d, 1v, eos 3, d2000 specifications: power supply: transmitter 3v 2*aaa ; Receiver 3v 2*aaa battery not included transmit frequency: 2.4Ghz wireless remote system workable distance: 100m open areas max. Sync speed: 1/250s channels: 16 transmitter: 85x36x34mm/40g receiver: 85x37x37mm/40g package included: 1 * fc-16 flash trigger 2 * fc-16 flash receiver 2 * camera remote cable c1+c3 1 * pc sync cord 1 * sync adapter 1 * manual