Check the listing for details. Automatic Skylight Window Opener,DC24V Electric Motorized Window Motor with Remo. Color: Silver, Condition: New. Listed at 145.19 USD. Olide Automatic Skylight Window Opener for Indoor,DC24V Electric Motorized Window Motor with Remote Control and Switch,Travelling Distance Adjustable Complete Unit Olideauto DC24V Electric Motorized Window Motor with Remote Control and Switch,Travelling Distance Adjustable Include1PCS Window Motor1PCS Wireless Remote Control1PCS Wired Transformer(It is also called receiver,wall switch)Mounting Accessories(The self-tapping screws are not included)Olideauto Automatic Skylight Window Opener,DC24V Electric Motorized Window Motor with Remote Control and Switch,Travelling Distance Adjustable FeaturesRemote Control Window Via Wireless Remote ControlRemote Control Window Open/Close From 32feet Away in an Unobstructed Open Space Via Wireless Remote ControlTravelling Distance AdjustableTravelling Distance is Adjustable From 3.94inch To 15.75inch,It Can be Easily Adjusted,When Reaches the Limited Travelling Distance,It will Automatically Stop RunningWth Tranformer(Also Called Receiver,Wall Switch)The receiver convert input voltage AC100-AV240V to working voltage DC24V,working voltage is DC24V,input voltage should be AC100-AC240VAutomatic Skylight Window Opener,DC24V Electric Motorized Window Motor with Remote Control and Switch,Travelling Distance Adjustable Structure Electric Motorized Window Motor with Remote Control and Switch SpecificationsInput VoltageAC100-AC240V 50Hz/60HzWorking VoltageDC24VLimit PrincipleSingle Chain Run To the Maximum Window Opening Position, the Resistance become Larger, the Current will Become Larger, and the Controller will Identify This is the Stop PositionPush/Pull Force260N/250NDimension of Automatic Window18.11(L)x1.65(W)x2.16(H)(inch)IP ClassIP42