Features:_x000D_ _x000D_ This set includes 1 transmitter, 2 receivers and 1 sync wire cable. _x000D_ Features 433MHz frequency and 16 independent channels. _x000D_ With transmission distance up to 30 meters, it boasts strong anti-interference ability, no direction or angle limit. _x000D_ Universal hot shoe. Suitable for Canon, Nikon, Olympus, Pentax and other flash units with universal hot shoe. _x000D_ The receiver trigger is powered by dry batteries, enjoying a maximum synchronous speed of up to 1/250 seconds. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Model: Metal+Plastic _x000D_ Suitable for:_x000D_ For Nikon SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24_x000D_ For Canon 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX/EXII, 430EZ, 420EX, 420EZ, 380EX_x000D_ For Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT_x000D_ For Olympus FL-50, FL36_x000D_ For Sigma EF-500 DG Super, EF-500 DG ST, EF-430_x000D_ For Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D_x000D_ For Yongnuo YN-460II YN-468 YN-560 YN-462 YN-465 YN-467_x000D_ Battery for transmitter: 23A 12V mini batter (the battery included)_x000D_ Battery for receiver: 2* 1.5V AAA battery (the batteries not included) _x000D_ Operate frequency: 433MHZ_x000D_ Outdoor working distance: up to 30 m / 90 ft (open area, barrier-free)_x000D_ Indoor operating distance: up to 25 m / 75 ft_x000D_ Channel: 16 channels_x000D_ Sync speed: 1/250s_x000D_ Color: Black_x000D_ Package Weight: Approx.11.5*9*4cm / 4.53*3.54*1.57in_x000D_ Package Weight: Approx.111g _x000D_ _x000D_ Package List:_x000D_ 1* Transmitter_x000D_ 2* Receivers_x000D_ 1* Sync Wire Cable_x000D_ 1* English Manual_x000D_ _x000D_ _x000D_ Notice: _x000D_ Not suitable for Sony because of its special hot shoe._x000D_ _x000D_ This flash trigger does not support TTL._x000D_ Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering._x000D_ Please understand that colors may exist chromatic aberration as the different placement of pictures. 1This set includes 1 transmitter, 2 receivers and 1 sync wire cable. 2Features 433MHz frequency and 16 independent channels. 3With transmission distance up to 30 meters, it boasts strong anti-interference ability, no direction or angle limit. 4Universal hot shoe. Suitable for Canon, Nikon, Olympus, Pentax and other flash units with universal hot shoe. 5The receiver trigger is powered by dry batteries, enjoying a maximum synchronous speed of up to 1/250 seconds.