Description: 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,speedy frequency regulation, convinient for photographers to shoot. 1/4" nut can be connected with tripod or light holder to make flashlight safe and stable. Energy-saving design with 12V 23A battery of transmit and 2 AAA batteries(not included) of receiver. Comes with a PC sync cord for cameras without hot shoe socket. Specification: Power of transmit: 23A 12V mini battery(not included) Power of the receiver(AC): 2 * 1.5V AAA Alkaline Battery(not included) Outdoor working distance: max. 30m / 90feet (open area, no fraise) Indoor operating distance: max. 25m / 75feet Channel: 4 channels Frequency: 433Mhz Synchronous speed: Max. 1/250sec Umbrella socket: Approx. 0.8cm / 0.24in Material: metal + plastic Package Includes: 1x 4-channel Transmit(23A 12V battery not included) 3x 4-channel Receiver(AAA batteries NOT included) 1x PC Sync Cord(2.5mm to PC) Note: Compatible with: * Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX/EXII, 430EZ, 420EX, 420EZ, 380EX; * Nikon SpeedLight SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24; * Olympus FL-50, FL36; * Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT; * Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D; * Vivitar 285HV (Older Vivitar 285/283 works only with PC sync cord); * Other flash models with a trigger voltage of 12V or lower. * Work with flash units using universal hot shoe like Nikon, Sigma, Olympus, Pentax (except Minolta SONY, for they use a special hot shoe)
