Features: brand new and high quality Can be used for control lights, motors, fans, electrically operated doors/locks/for windows/blinds/for cars and other appliances with for DC 12V. You can turn on/off the receiver with transmitter 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. 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 won’for t affect each other. The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic. Specifications: Materiak:ABS Channel: 12 for CH Radio Frequency: 433MHZ Operating Voltage: DC12V Size: Approx. 115x48 mm/4.52x1.89 inches Package Includes: 1x Remote Control note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.