Please feel free to ask any questions in the comments. PHOLSY Off-Camera Shoe Cord TTL Flash Cord (for Canon) 2.0 m TTL flash cord compatible with Canon OC-E3. Maintains full E-TTL, E-TTL II and manual control, with a 6.5-foot (2 m) coiled cord. This cord is used for TTL auto flash photography. It's a connecting cord for using a speedlight away from the camera. It attaches to the flash shoe and a 1/4"-20 threaded stud. The cord comes with a cold shoe locking ring and a light stand lug for use with other lighting accessories. The tripod screw part uses metal material to increase durability, assuming frequent attachment and detachment to the bracket. Reduces harsh shadows. The flash cord is ideal for use in safe studio environments and location shooting. The flash can be separated from the top of the camera, meeting the needs of the photographer. By emitting light from the strobe at various angles, without changing the existing various functions. Best photography applications: portraits, studio, wedding photos, location shooting, etc.