Specification Color: Black Material: Plastic, Metal Plug: US Standard Voltage:110-200v Noise: about 42 dB Load Capacity: 10kg/22lbs Remote Control Distance: 20m/65ft Power: 25w Suitable Cross Tube Diameter: 5cm/1.9in Hook Length: 46cm/18inch Hook Height: 13cm, 17cm, 21cm, 25cm/5inch. 6.7inch, 8.3inch, 9.8inch Package Size: 513826cm/20.014.910.2inch Net Weight: 11kg/24.3lbs Gross Weight: 12kg/26.5lbs Package Included 24-fold Mounting Brackets 4*Electric Motors 1*Remote Control 1 Signal Receiver 1 Chinese Manual 1 Power Cord 1 Travel Adapter Other Accessories for Assembly. Wall Mount Motorized Electric Photo Background Support System 4 Roller w/ RC. If you are working in photography, this 4 roller-motorized electric mount background support system will be perfect for you. It allows you to control its raising and lowering within a range of 65ft by remote control. It lifts smoothly and does not produce annoying noise during use to keep the noise away from your creative inspiration. Noise: about 42 dB. Remote Control Distance: 20m/65ft. Suitable Cross Tube Diameter: 5cm/1.9in. Hook Height: 13cm, 17cm, 21cm, 25cm/5inch. 6.7inch, 8.3inch, 9.8inch. Package Size: 513826cm/20.014.910.2inch. Net Weight: 11kg/24.3lbs. Gross Weight: 12kg/26.5lbs. Multi Installation Methods : This backdrop roller system can be hung on the ceiling, wall, and tripod. Durable Material: The housing and the mounting brackets are made of high-quality plastic and metal respectively, so this item is durable and allows for a long service life. High Efficiency : This electric background drive set can drive 4 paper/muslin/cloth background rolls keeps the paper unwrinkled and intact and allows you to easily and quickly select and change any of 4 backgrounds through remote control. Provide a Quiet Atmosphere: The product has a built-in silent motor, which produces a sound of only 42 dB. Super Power: It has a motor power of 25w, fast stretching. The roller system can bear 10kg/22lbs, and can even easily drive long background paper. Customer Service: We aim to provide quality products and services. We will reply and solve the problem for you as soon as possible. Metal Hooks: The metal hooks ensure a more stable operation. Remote Control: You can control its raising and lowering by remote control within a range of 20 meters, which is very convenient. Whether shooting models, commercial still life, billboards, or videos, it will be a good choice for professional photographers. It is suitable for photo studios, photos, wedding backgrounds, still life, clothing, bags, cosmetics, and background shaft. Please note that the package does not include background paper and pipes. Please note that the batteries for the remote control are not included in the package because of aviation safety policy, you need to prepare two AA batteries by yourself. For safety, If you need to mount it on the ceiling, It is suggested that the ceiling should be a concrete structure instead of a wood ceiling or other that is not solid. Please allow the slight color difference caused by the shooting light and 1-3 cm error due to manual measurement, and make sure you do not mind before ordering. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.