Anntem Wireless Remote Control Switch 433mhz rf Transmitter and Receiver kit dc33v 37v 4v 45v Universal Battery Power Strip Mini Small Switch mos Circuit Micro Controller Module

We do everything we can to make the control module very small. Therefore, it cannot be incorrectly wired and cannot be used beyond the product specifications. Because the volume is too small, it is difficult to weld and use, so it is more suitable for professionals. If your product does not require strict size, it needs better usability. You can select other products of the same type in the store. Red line: (power supply positive and output positive, common). Black line: the negative pole of the module input power. Yellow line: negative output, control output on and off by remote control. For example, the red and black lines input 3.7V power, use the remote control to open, the module red and yellow output the same voltage 3.7V  Momentary Micro Switch mode :: Press and hold the remote control button. Module output power.  Release the remote control button and the controller output is powered off.   The remote control is about 20 meters away from the open environment . RF Signal can penetrate the wall. The module remains in standby mode and the response speed is faster. Since the product needs to consume current during standby, if it is used for a long time, please select the power supply.