brand new and high quality Instructions: 1. The code: Open the receiver panel, connected to the power and then hold down the learning for key (set for key) hold, then the light starts flashing, release the learning for key Press and hold any for key on the remote control, indicating off, indicating that the success of learning . (After learning, press the up button or down button on the remote control to hear the sound of the relay beeping.) Otherwise, please re-learn. 2. Wiring: Please follow the circuit board marked on the power cord and the control line. Remote control and control panel keys role: key: roll up; = key: stop, power-off; key: scroll down Features: The receiving controller with high security, large storage capacity, stable performance and low power consumption. Easy to use without the use of traditional jumpers or DIP switch coding, just the remote control to send the wireless signal to the receiving control Receiver and storage can be used to achieve supporting. Each receiving controller can store multiple transmitters (remote control). It can be used to control the device to achieve the motor is positive, reverse, or switch on and off, to achieve wired and wireless compatible. Widely used in the control of AC motor positive and negative (such as: projection screen, electric curtains, electric hanger , Garage doors, retractable doors, etc.). If the learned remote control is lost in use, only the information stored in the receiving controller needs to be cleared and the lost remote control can not Receiving the controller for remote control, to regain the right to use, must be re-learned by the owner once to use, so as not only to avoid the owner when the loss of the remote control concerns, but also for the addition of a new remote control provides a convenient. Remote Switch only, other accessories demo in the picture are not included! Tips: 1. The floor charged, do not for touch after power. 2. If installed after the motor does not work exchangeable direction of a try. Specification: Material: Plastic+Metal Working Voltage: AC 22010% Load Power: 500W Working Frequency: 433MHz Working Temperature: -25 to +75 Remote Control Distance: 100 meters (Open Area) Color: As Pictures Shown Switch Dimension: 10.0x5.7x2.7cm/ 3.94x2.24x1.06in Controller Dimension: 12.0x4.2x1.5cm/ 4.72x1.65x0.59in Quantity: 1 Set Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Receiver 1 Pc x Transmitter(with Battery)