Description: brand new and high quality. Feature: Wireless control, easy to install. Control Lights, Motors, Fans, electrically operated Doors/Locks/for Windows/Blinds/for Cars or Other Appliances with DC12V. You can turn on/off the receiver with transmitter (remote control) from any place within a reliable distance; the wireless RF signal can pass through walls, floors and doors. This switch can learn different coding remote controls. One/several transmitters can control one/several receivers simultaneously. If you use two or more receivers in the same place, you can set them with different codes. If you use multi-button transmitter, you can control the controller with different buttons, it wont affect each other. The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic, jump line or dial the code switch coding. Output working way: Output Working way for learning code switch-Jog, Self-Lock, interlock, changed by soldering or jump cap. Momentary/ Jog--Press and hold -> On; Release -> Off. Toggle/ Self-lock--Press -> On; Press again -> Off. Latched/ Interlock--Press -> On; Press other button -> Off. Learning and delete methods: 1.According to the learning code.Lights flashing, loosen the fingers, press the remote control, indicator light flashes 2 times and close any buttons.It means you learn successfully. 2.It can learn more than 12, 2262 or 1527 chips of different code of the wireless remote control. 3.Delete/cleaning: press learn about eight seconds, indicator is closed, it means that you maintain information has been deleted successfully. Specifications: Item Type: Receiver+Transmitter Working Voltage: DC12V Button: 4 button Operating Frequency: 433MHz Quiescent condition: less than 6mA Working temperature: -40-80/-40-176 Sensitivity: more than -105dBm Max load current: 10A Material: ABS+Metal Size: Receiver: 2.8x5.4x7.5cm/1.1x2.1x2.9in Color: White+Black Optional Type: 1 x remote control, 2 x remote control, 3 x remote control, 4 x remote control Quantity: 1 Set Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Receiver Module 1 x Protective for Shell 1/2/3/4 x Remote Control(Optional)