StudioPRO Photo Studio Monolight Strobe Wireless Studio Flash RT-16 Trigger 16 Channel UNIVERSAL: Interchangeable between all DSLR camera models including Nikon, Canon, Pentax, and Sony. SIMPLE: Easy to use buttons allow you to get shooting quickly and easily. 16 CHANNELS: Ability to select 16 different channels to customize your studio. DEPENDABLE: Dependable flash every time you click the shutter. EASY INSTALLATION: Plug and play technology allows you to simply plug in to any strobe, speedlight, or monolight flash.