The JJC TTL Off-Camera Hot Shoe Cord mounts on Canon camera's hot shoe, replacing Canon OC-E3 cord professionally. An indispensable accessory for professional photography Compatibility The TTL Cord for Canon is perfectly compatible with: 1. All Canon EOS R5, R6, RP, R, T8i, T7, T7i, T6, T6i, T6s, T5, T5i, SL1, SL2, SL3, 90D, 80D, 77D, 70D, 7D, 6D, 5D,M50, M5, M6, etc. except D2000, EOS 630 RT M10 2. Canon flash: 600EX II-RT, 600EX-RT,430EX III-RT, 430EX II, 430EX, 270EX II, 270EX, MR-14EX II, MR-14EX, MT-24EX, 320EX, 90EX, 550EX, 580EX II, 580EX, 420EX and other brands of flashes work for Canon. Specification Material: ABS Plastic Weight: 3.25 ounce (92g) Cord Length: Expand 51 inch (1.3m) How to Use? 1. Attach the off camera shoe cord. Slip the camera connector of the TTL Cord into the camera's hot shoe all the way. 2. Secure the off camera shoe cord. On the camera connector, slide the lock lever to the right. When the lock lever clicks in place, it will be locked. 3. Detach the off camera shoe cord. While pressing the lock-release button, to slide the lock lever to the left and detach the off camera shoe cord. Warranty 1-year 100% Satisfaction Guarantee