RioRand (TM) 4 Channels Wireless Hot Shoe Flash Trigger and 2 Receivers Set for Canon Nikon Pentax

RioRand (TM) Wireless Hot Shoe Flash Trigger and 2 Receivers Set for Canon Nikon Pentax
Transmitter Power Source: 23A/12V
* Receiver Power Source: AAA Alkaline battery (not included)
* Operation Distance: About 30ft * Sync Speed: 1/500sec
* Frequency?433MHZ * Size: 55 x 61 x 43mm / 2.2 x 2.4 x 1.7in (L x W x H)
Compatible with following flash units: Canon: 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX, 430EX II, 430EZ, 420EX, 420EZ, 380EX... Nikon: SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24 Pentax: AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT Olympus: FL-50, FL-40, FL-36 Vivitar: 285HV (Older Vivitar 285/283 works only with PC sync) Other: Flash models with a trigger voltage of 12V or lower
Package Includes:
* 1 x RioRand Transmitter
* 2 x RioRand Receiver
* 1 x User Manual
* 1 x PC Sync Cord