["Description:\r\n\r\nFeatures:\r\nbrand new and high quality.\r\nPlease notice: \r\nThis is not for face to face copy or cloning or duplicating.\r\nIt is only a common RF remote control(transmitter ), so it is only the professional can buy it alone or who buy our remote switch receiver, then need additional transmitter.\r\nIf you are freshman about RF remote control system, please buy the duplicating/cloning /copied remote control. \r\nWe are So Powerless about the people who do not understand then find it is cheap and buy it, when he gets it and tell us it doesn'for t work with his rolling code or other receiver... and give us the negtive feedback.\r\n\r\nSpecifications:\r\nMaterial: Plastic + Metal\r\nColor: White \r\nSize: 60×25×10mm/2.36×0.98×0.39in (Approx.)\r\nType: 1#: 1 Button; 2#: 2 Buttons; 3#: 3 Buttons; 4#: 4 Buttons (Optional)\r\nChannel: 1/2/3/4 for CH (Optional)\r\nRemote Control Distance: 0-100m\r\nEncode: EV1527\r\nWorking Frequency: 433MHz \r\nPower Supply: Button Battery (included)\r\nQuantity: 1 PC (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 X Remote Control Transmitter(including battery) (No retail package)"]