Denny's Deluxe Motorized Photography Backdrop Lift System for 12' rollers has a noiseless motor mounted inside the rollers. This roller system can be built to hold up to 8 backdrop rollers. * Ceiling or wall mount system * Fully adjustable limit switches automatically stop your backdrops where you want them. *Quick-release roller connection & a remote control switch box with 12' cord * Adapts to Seamless Paper Backdrop rolls easily * This backdrop roller system is backed by our Full 36 month warranty on parts and labor. Approximate total weight for a 4 roller 12' system is 71 lbs. if you choose to upgrade to super rollers for large full length backdrops the weight would be approximately 151 lbs.