STRONG SIGNAL: Adopts RF technology, the signal can pass through walls, floors, and doors, steadily controlling the receiver from any location within a reliable distance. The maximum operating range is 328 feet unobstructed. HIGH POWER LOAD: With a 40A receiver relay, it can load high-power electrical appliances to ensure long-term stability control. SECURITY CONTROL: The code learning feature has a high security level due to its low repetition rate and relearning mode. It can erase old codes and relearn new ones if a remote control is lost, ensuring you can always control it. EASY TO USE: Extremely easy to install, learn, relearn, and control (see introduction). Stable and reliable performance, high receiving sensitivity. 2 remote control configurations, more flexible use. WIDE APPLICATION: It is mainly used in lamps, electric doors, windows, hoists, barriers, elevators, industrial control and security industries, etc. Product problems encountered: 1.Q: Should the cable be connected to the remote control switch with the fire and neutral wire? A: Yes. 2.Q: My remote control doesn't work after a while. A: Press the remote control once, the red light on the remote control is off. Please replace the remote control battery (cr2016 3V). 3.Q: When you press the remote control, the switch makes a "TI TA" sound. A: This is the sound of normal work. 4.Q: I don't know how to choose the style. A: First, look at how many volts your device has. For example, a household appliance is 110V, you can buy 110-240 items. For example, car equipment is 12V, you can buy 12V-72V items. 5.Q: I need multiple controllers to control one switch. A: Please contact us. What are the features of the DIY remote control switch? 1.3000W strong power, enough to meet the use of electric water heaters and large pumping units. 2.100 meters remote control distance, easy to work in square garden farms and even factories. 3.Just connect the circuit, no complicated settings. Ordinary people can complete it. 4.Compact design, you don't need to take up much space. Technical Displays: Voltage: AC110V-AC240V Max. Load: 40A Working Distance: 100m Package Includes: 2x Remote Controls 1 x Switch 1 x Manual Tip: 1.Connect the switch to the circuit, no corresponding remote control 2.Welcome to my shop, Happy shopping. If you have any problems, please contact me. Our products are made of high quality materials and are designed to give you the best user experience.