Remote Shutter Release For Canon, Pentax & Samsung SLR & Digital SLR / T2i / T3 / T3i / T4i / 60D / K5 / GX Series Replicates functions of the cameras shutter button Operates the camera remotely when taking photographs at close range and in other situations in which the slightest camera movement would produce bluring Locking the shutter-release button in hold will give you long time-exposures (Bulb) and unlocked for burst photography Microfiber Cloth