Buy from Amazon.com : http://fave.co/1EH60id
Aputure Trigmaster Plus 2.4GHz Radio Remote Flash Trigger and Shutter Cable Release fits Pentax
Product Description :
Professional premium Grade 3-in-1 Multi-Function Radio Trigger for Flash Strobe and Camera
16 Channel encrypted 24Hz with 600 ft range Sync Speed of 1250 sec when in flash mode Enabled AF with half press of the Remote Button when in camera mode 2 sec delay function in both modes
In camera mode remote is able to do continuous and Bulb by press and hold the trigger bottom for 2 sec and press again to stop
In Flash mode the transmiter wakes up the sleeping flash just in time for firing the flash
24 Month Warranty