Product Description:

Adjust flash function though the controller directly.
Wireless triggering function.
Set group, up to 6 groups.
Set the flash output and flash mode.
Modify multi flash frequency and count.
Modify zoom for each group.
Compatible with RF602 / RF603 / RF603 II.
Transmission Range: 100 Meters.
Support Wireless Shutter Receiver of RF603 / RF603 II.
Large and clear screen, user friendly interface.
Powered by two AA batteries. (not included)
Suit for Canon DSLR camera.
Note:
This controller only can directly use with YN-560III flash.
Other speedlite must work with RF602 or RF603 or RF603 II receiver.
Specifications:
Type: Wireless controller
Distance: 100m
Channel: 16
Flash mode: M / Multi
Group control: A / B / C / D / E / F
Zoom range: 24-105mm
Shutter interface: 2.5mm
Battery: 2 * AA batteries (not included)
Item size: Approx. 9.1 * 7 * 4.3cm / 3.6 * 2.8 * 1.7in
Item weight: 97g / 3.42oz
Package size: 10.8 * 8.5 * 6.1cm / 4.2 * 3.3 * 2.4in
Package weight: 140g / 4.92oz

Package List:
1 * Wireless Controller
1 * User Manual (English & Chinese)