ZXMT offers high quality and affordable products. If you have any questions, please feel free to contact us and we will reply to your questions as soon as possible. Notice: 1. Please make sure you currently have a working remote control for copying. 2. Please make sure your currently available remote frequency is 433MHz. How to setup: Please read the instructions in full before starting the operation. If there is confusion or copy failure, please start again from the step 1. Clear the test data or old usage data. 1. Hold down the "Lock" and "Unlock" buttons until the LED lights up. 2. Keep either button pressed and release the another button. 3. Press the released button three times. Then, the LED light will flash rapidly. Release all buttons. Copying new data 4. Hold down the original remote control button and then hold down our product button. When the LED light of our product lights up, it means the copy is successful. 5. Repeat step 4 to copy other data. Specification: Type: Garage Door Opener Max Launch Range: 30M(98Ft) Working frequency: 433MHz Size: One Size Color: Black Features: 【Long Launch Distance】This Garage Door Opener has a firing distance of 98 feet, which can control the garage door from a distance and save the time of waiting in front of the garage door. 【Two Pack】Make your family can control your garage door as well. 【Applicable to a variety of garage doors】This Garage Door Opener frequency is 433MHz and is suitable for a variety of garage doors. Package Includes: 2 x Garage Door Opener. 【Applicable to a variety of garage doors】This Garage Door Opener frequency is 433MHz and is suitable for a variety of garage doors. 【Long Launch Distance】This Garage Door Opener has a firing distance of 98 feet, which can control the garage door from a distance and save the time of waiting in front of the garage door. 【Widely Used】This Garage Door Opener is widely used in front gates, industrial control and security fields, such as light, motor, remote controller, wireless security alarm, wireless door alarm, wireless controller, etc. 【Two Pack】Make your family can control your garage door as well.