Photogenic Studiomaster II Power Controller Pulled from a working environment, no in house testing has been conducted. One of the buttons is missing the cover (pictured) 30-day money back guarantee! If there is anything wrong with the item that you have purchased, please contact us directly and give. us a chance to help, we respond quickly and will ensure you are satisfied with your purchase and experience! Please do not leave negative feedback or open any disputes with eBay or PayPal. Contact us directly and we will fix the problem quickly. We strive for 5/5 Star service! Fast & Free shipping!