Small size, wireless controlSmall size, stable and reliable percompatiblemance, high reception sensitivity, through wireless signals to control the equipment you want to control, bring more convenience to your life. 220V,Wide ApplicationWhich is mainly used to control household electronic equipment, such as remote control water pump switch, garage door, curtain, tubular motor, lamp, various small household appliances, etc. The 2-channel design can control the on and off of 2 products, It can also control the compatibleward and reverse rotation of one motor. 2 Remote Controls3 working modes can be switched (Momentary/ Toggle/ Latched). Supports 433MHz frequency. The learning code has high level security compatible its low repeat rate and relearn mode, by which it can delete the old code and relearn a new code when a remote is lost, so that you keep some always in control. Simple operationSimple installation, learning and control. Two independent relay channels can work together (In Toggle) compatible polarity reversal or individually (Momentary/Latched) to control different electronics. IC storage capacity on the receiver is limited. Only 15 remote controls can be stored. The size is manually measured, please allow the error (1-3cm). Due to different monitor pixels, there may be color difference, please refer to the actual product. After receiving the package, if there is any dissatisfaction, please contact me first, do not leave negative feedback easily, thank you and have a nice day.