One complete set window opener include: the accessory:window opener actuator, bracket, screws, surface mounting box Olide Security Protection System Automatic Single Chain Window Opener Features 1.Suitable for 3 kinds of Operate power: 24V DC/110V/220V. 2.Intelligent protection, high-quality materials, customizable stroke distance. 3.Adopt carbon fiber and metal chain, low noise design, double layer chain, single direction bending. Housing is made of aluminum alloy, also stainless steel can be customized, Chain is made of stainless steel. The bracket can be rotated to support a variety of mounting modes. 4.Diversified installation methods -- It can be used for horizontal pushing, upper hanging, middle hanging, lower hanging, skylight type. 5.Compact size, beautiful appearance, a strong sense of modernity, low installation space requirements, When closed, the chain is hidden in the window opener. 6.High quality design life load open and close over 10000 times,low noise when turned on.The locking force is 1000N, which is safe and reliable. 7.The travel distance can be customized by customer's need, the extra fees need to contact with us. 8.The use of electric window opener will be more secure and convenient,also can get better air circulation.Features of Receiver And Remote Control: 1. Built-in silver printing button,beautiful and lasting. 2. Auti-scratches acrylic surface, built-in lamp light guide, soft and well-distributed. 3. Roast piano lacquer frame, noble and elegant. 4. Shock-proof TV5 relays. 5. SMT machine automatic assembly in damp-proof enclosure. 6. 86*86mm installation standard. 7. Anti-shock relay. 8. Power supply protection,power output time is 5 minutes. 9. Electric structure follow the fire proof request of IEC. 10. Luxurious piano lacquer surface treatment, honorable and elegant.