Complete Unit Olideauto Automatic Electric Chain Windows Opener Motor Actuator Receiver is Built in Motor Travelling Distance Adjustable Include 1PCS Window Motor 1PCS Wireless Remote Control Mounting Accessories(The self-tapping screws are not included) The large format flatbed scanner features in frameless and narrow boundary design. It helps you work efficiently with four-panel buttons enabling scan , email, print, and even create a single or multipage PDF High quality two-layers stainless steel chain, which makes the chain stronger and more anti-oxidate It can avoid the motor burning out as the high electric current. Olideauto Automatic Skylight Window Opener for Indoor,DC24V Electric... Skylight Opener Olideuto Electric Skylight Window Opener With Kuwit | Ubuy Gate Motors With Remote Control Olideauto Automatic Electric Chain Windows Opener Motor Actuator Receiver is Built in Motor Travelling Distance Adjustable Olide Tuya Smart Window Opener, AM56 Adjustable Stroke AC Motor with P Transformer function is built in motor,no need extra transformer or receiver,input voltage AC100V-AC240V is workable with electric chain window opener Transformer Function Built in Motor Extra Transformer(switch) is Not Necessary,Transformer Function is Built in Motor,Wire Connection is Simpler The electric window motor built in overload protection system. Travelling Distance Adjustable Travelling Distance is Adjustable to 3.94inch/7.87inch/11.81inch/15.74inch,It Can be Easily Adjusted,When Reaches the Limited Travelling Distance,It will Automatically Stop Running