Soft White Umbrella:
Perfect for photographers to help reduce shadows and produce an even lights.
Allows approximately 50% light transmission.

Black Silver Umbrella:
easy to use and carry wherever needed.
The silver lining offers soft, even lighting from your strobes or flash.
The silver reflects more light than a translucent umbrella or soft-box.
Inner silver lining reflects light and makes your picture brighter;
Outer black lining keeps unwanted light from being reflected into your photo;
Easy to assemble/disassemble and store;

Wireless flash trigger:
1.4 selectable radio channels with two LEDs for power and signal
Receiver can be fixed on standard Tripod with 1/4 thread
Compatible with most of the flash guns such as Canon 580/430EX, Nikon SB600/800/900
The transmitter works with all cameras with a standard hotshoe socket (Except Minolta & Sony).
A universal hotshoe socket on the receiver for portable (hotshoe) flash such as Canon, Nikon, Olympus, Pentax, Sigma and etc (Except Minolta & Sony).
Flash sync speed: 1/250s
Radio Frequency: 433MHz
Transmitter Effective range: 30m without interference
Time of shooting: up to 20,000 times
Transmitter Power: 23A 12V battery
Receiver stand-by time: up to 45 hours.

Whats in the Box:
1 x 33 Soft White Diffuser Translucent Studio Umbrella
1 x 33 Black Silver Reflector Studio umbrella
1 x 2m / 7ft light stand
1 x Wireless flash trigger Transmitter +1 Receiver
1 x PC sync Cable
1 x Flash/umbrella mounting bracket

Compatible with:
All kind of portable external flashes with hot shoe(except Sony hot shoe).