Create optimal lighting conditions for portrait and product photography with this Insignia NS-DACMSFK kit that features built-in optical sensors that automatically fire the 72W AC-powered strobe lights via your camera's built-in or external flash. Product Features Compatible with most cameras with a flash For wide-ranging use. Helps create optimal lighting conditions for product and portrait photography To ensure quality images. Two 120V AC-powered 72W strobe lights Provide continuously variable light output. Built-in optical sensors Automatically fire the strobe lights via your camera's built-in or external flash. Sync cord allows direct connection and control over your camera. Sync and optical slave trigger modes Allow flexible operation. 1-4 sec. flash recycle times To accommodate your needs. Carry box with dedicated compartment and handle Makes transport easy.