STRONG SIGNAL: Adopts RF technology, the signal can pass through walls, floors and doors, steadily controlling the receiver from any place within a reliable distance. The maximum range is 328 feet unobstructed. High Power Load: With 40A receiver relay, can load high-power electrical appliances to ensure long-term stability control. Security control: learning code has high security level for its low repeat rate and relearn mode, it can delete old code and relearn new code, when a remote is lost. So you can always control it. Easy to use: Extremely easy to install, learn, relearn and control (please refer to the introduction). Stable and reliable performance, high receiving sensitivity. 2 remote control configuration, more flexible use. Wide application: It is mainly used in lamps, electric doors, windows, lifting equipment, barriers, elevators, industrial control and security industries, etc. Product Description Problems encountered: 1.Q: The wire of should the fire and neutral wire be connected to the remote control switch A: Yes 2.Q: My remote won't work after a while A: Press the remote control once, the red light on the remote control is not on. Please replace the remote control battery (cr2016 3V). 3.Q: When you press the remote control, the switch will sound TI TA. 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, home appliance is 110V, you can buy 110-240 items, such as car equipment is 12V, you can buy 12V-72V items. 5.Q: I have need multiple controllers to control one switch. A: Please contact us. What is the features of DIY remote control switch 1.3000W strong power, enough to meet the use of electric water heater and large power pumping unit. 2.100 meters remote control distance, easy to work in square garden farms and even factories. 3.Just connect the circuit, without complicated settings. Ordinary people can complete it. 4.Compact design, you don't need to take up much space. Technical indicators: 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, please enjoy your shopping. Any problem, please contact me.