Studiohut 400 Watt Dual Softbox Flash Strobe Light Setup Kit for Portrait, Wedding, Fashion & Video Photography w/ carry case Professional Double kit with two 150W flash heads, 2 studio softboxes, 2 light stands & Carry case Flash head has built-in slave trippers, or can be used in conjunction with sync cords Built-in slave trippers, or can be used in conjunction with sync cords Umbrellas can be attached with build in holder. Built-in Mounting Bracket fit Lightstands up to 5/8" Modeling lamp aids in positioning and focusing of flash. Manual Flash test button.