DC12V-48V Motor Forward and Reverse Switch,8A Relay,Linear Actuator 12V Waterproof Remote Switch,Up to 165 Ft Control Range,Support Shutter Doors/Lift Platform 1.Easy to use: RF wireless relay switches are very easy to set up and reset. There are 3 operating modes (instantaneous/switching/blocking mode) to choose from. You can easily set it up according to your needs. The working mode of this product can be adjusted, please refer to the instructions for details 2.IP67 waterproof structure: Our remote control switch 12v dc waterproof is suitable for indoor and outdoor use, can withstand the test of rain and bad weather, but please do not immerse it in water. Install with wires facing down. Please don't soak it in water 3.Wireless remote control: Waterproof 12V remote control switch uses RF technology, only supports 433 MHz RF frequency, can remotely turn on or off the lamp or other equipment connected to the relay. The receiving sensitivity is greater than 95dBm, and the performance is stable and reliable. Transmission distance of up to 50 meters in open areas 4.Widely used: linear actuator remote control switch is widely used in the positive and negative control of motors such as linear actuator, garage door, electric door, rolling shutter door, expansion door, electric door curtain, wireless security alarm and so on 5.What you get: You will get 1Pack receiver 2Pack 12v forward reverse switch and 1Pcs operating manual. We have paired the remote control with the receiver, customers only need to install and use, and do not need to do anything else. If there is any problem with the product, you can also ask us via , please give our new product a chance to grow, thank you very much