Universal hot shoe interface, compatible with Canon, Nikon, Sigma, Olympus, Pentax, etc
Globally univeral 433Mhz frequency, 4 channels With studio flash interface, can trigger several kinds of studio flashes
Transmitting distance up to 30M, no limits with directions or angles 1/4
Speedy frequency regulation, convinient for photographers to shoot
Energy-saving design with 12V 23A battery of transmitter and 2 AAA batteries(not included) of receiver Comes with a PC sync cord for cameras without hot shoe socket