Features:
This set is composed of a signal and 4 trigger receivers.
Universal hot shoe interface, compatible for Canon, for Nikon, for Sigma, for Olympus, for Pentax, etc.
Globally universal 433MHz frequency, 16 channels.
With flash interface, can trigger several kinds of flashes.
Transmitting distance to 30M, no limits with directions or angles.
1/4" nut can be connected with tripod or holder to make flashlight and stable.
Energy-saving design with 23A of and 2 * AAA (not included) of receivers.
Comes with a PC sync cord for cameras.

Specifications:
Brand:
Material: Metal +
Color: Black
Suitability:
-For Nikon SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24;
-For Canon 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX/EXII, 430EZ, 420EX, 420EZ, 380EX;
-For Pentax -540 FGZ, -360 FGZ, -400 FT, -240 FT;
-For Olympus FL-50, FL36;
-For Sigma EF-500 , EF-500 , EF-430;
-For Sunpak Auto 2000DZ, 622 , 433AF, 433D, 383, 355AFm 344D, 333D

of : 23A (included)
of the receiver(AC): 2 * 1.5V AAA Alkaline (not included)
working distance: max. 30m / 90feet (open area, no fraise)
Indoor operating distance: max. 25m / 75feet
Channel: 16 channels
Frequency: 433Mhz
Sync. : Max.1/250s
Package Size: 13.5 * 10 * 4cm / 5.3 * 3.9 * 1.6in
Package Weight: 183g / 6.5oz

Package List: D3384
1 * 4-Channel
4 * 4-Channel Receiver
1 * PC Sync Cord(2.5mm to PC)

Note:
This trigger set do not support TTL function.
This item only includes the trigger set and sync cord.