CowboyStudio NPT-04 4 Channel Wireless Hot Shoe Flash Trigger Receiver
This set is designed for photographic studio and on-location work to trigger various flash lights. The transmitter is attached on the hot shoe of the camera while the receiver is plugged into the studio flash. Each receiver works with one studio flash. Additional receivers are available to purchase .Product Highlights4 channels to avoid interferenceThe receiver has an on/off switch, and an LED to indicate triggeringA standard ¼in screw mountChannel Selector outside the transmitter and the receiver4 channels with hot shoe connector for external flashesTransmitter Power: 23A 12V battery Receiver Power: 2 AAA Battery (Not included)Maximum Working Distance: 30m (open area, without interference)Max available in distance range: 30M (Open fields, no fraise)Operates on Frequency: 433MHzvHighest responding time up to 1/320sTriggering life: up to 20,000 timesTrigger can operate additional NPT-04 receiversCompatible models:Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX, 430EZ, 420EX, 420EZ, 380EX; Nikon SpeedLight SB-800, SB-28, SB-27, SB-26, SB-25, SB-24; Olympus FL-50R, FL-50, FL-36R, FL-36; Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT; Sigma EF-530 DG Super, EF-500 DG Super, EF-430; Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D; Vivitar 285HV, DF-400MZ, DF-340MZ, 2700; Other flash models with a trigger voltage of 12V or lower.