Check the listing for details. Motorised Projector Screen Control unit RF Remote contol Curtain Blind Projector. Condition: New. Listed at 27.84 USD. Product Description:This RF Remote Controller features forward-reverse-stop capability. You can rotate the motor in up or down direction by transmitter from any place within a reliable distance, wireless signal pass through walls, floors and doors. It is suitable for motorised projection screens, electric curtains, electric pylonss, garage doors, retractable doors, etc Features: Wireless control, easy to install AC220V voltage input, according to the needs of your choice High confidentiality, large storage capacity, stable performance and low power consumption Each receiving controller can store multiple remote controller Remote control and manual control is fully compatible with The wireless signal can pass through walls, floors and doors. You can rotate the motor in the positive or reversal direction with the transmitter (remote control) from any place within 100 meters Mainly used to control: projector screen, electric curtains, electric pylon, garage doors, extendable doors, pumps, etc.Specification: Operating Temperature: -25°C ~ + 75°C Operating Voltage: AC 220V Transmission Distance: 100m (in the open air) Operating frequency: 315MHz The load power: ≤500W Receiver Size: 100 x 60 x 30mm Receiver Weight: 91g Transmitter Size: 120 x 45 x 15mm Transmitter Weight: 42gYou need to connect the wires accordingly. No cables or plug supplied.If you are planning to replace your existing remote control unit please identify the four wires (you might need t open up the control unit) cut the existing wire and join this control unit. If you need the wire for control unit to screen get 4 core wire found in most electrical shops and join it to desired length or if you want wire for wall socket to control unit get a 3 core wire. I have installed this in my home cinema set up. I am more than happy to answer your questions.Package Contents 1 x Control Unit1 x RF Remote Control Unit1 x 23 A Battery for RF RemoteAdditional Information: Please note that this item does not comes with Cable or Plug.