This RF-602 is using FSK 2.4GHz wireless frequency, suitable to use this free channel in many countries, guarantee of the transfer speed, distance and stability. There are three kinds of plugs, you can not only use it as a wireless remote shutter release, but also can use it as a flash trigger, you can connect them to control many types of flash speedlite and camera. What's more, if you have a new different camera, it's no need to buy a new RF-602,you just need to buy a related plug to connect with your camera. When using the RF-602 reserved to Canon or Nikon to control the flash light, the flash sync speed is up to l/250s, and 100 meters. It's very convenient and easy to use it, I think it's a very good choice for you.