Accessories
              
            
              Remote/Trigger
              
                
                                    
                    | Flash Modes | TTL, manual, multi | 
                                    
                    | Frequency | 2.4 GHz | 
                                    
                    | TTL Dedictaion | E-TTL II | 
                                    
                    | Sync Mode | 1st curtain, 2nd curtain, high-speed sync | 
                                  
              
            
              General
              
                
                                    
                    | Dimension | 3.5 x 2.1 x 1.5" (9.0 x 5.3 x 3.9 cm) remote | 
                                    
                    | Power/Battery | 2 x AA battery (not included) Standby: 120 hours remote, Standby: 60 hours transreceiver | 
                                  
              
            
           
                    The YN-622C-TX utilizes an LCD screen to display settings and allow users to make adjustments. On the device is also an AF assist beam to help in low-light conditions. Multiple sync modes are available for more specific needs or effects, including 1st and 2nd curtain sync. A high speed sync mode will help in bright lighting conditions and for stopping motion with a maximum speed of 1/8000 second. A built-in mini-USB port enables firmware updates to be installed, and the device runs on 2 AA batteries.