**Compatible model**: only works for Linear Delta 3 (DT DTA DTD DTC DNT00002A) Remote 310MHZ 8 Dip Switch. Important Before Purchasing!! **Durable & Reliable Performance**: Featuring a robust ABS alloy case and FCC certification, our garage door remote has been rigorously tested over 100,000 times for long-lasting durability and reliability. **24hours/7 daysTechnical Support & 3-Year Warranty**: Enjoy peace of mind with our continuous 24-hour Amazon tech support and a generous 3-year warranty. We prioritize your satisfaction and ensure superior quality. **Extended Battery Life**: Equipped with a 12V 27A Alkaline battery and smart low-power chip, our remote ensures prolonged battery life and is compatible with various garage door motors. **Enhanced Security with Fixed Code Technology**: Protect your garage from theft with advanced Fixed Code technology, offering superior anti-theft features for your safety. **User-Friendly Design**: Experience a 164-foot control range and simple pairing with your garage door motor. Its compact design makes it easy to attach to your car keys for convenient access. 【After-sale Service】We provide 3 YEAR warranty. If you have any query, please contact us through our store homepage "Ask a question" or support email and we will get back to you as soon as possible within 24 hours. only works for Linear Delta 3 (DT DTA DTD DTC DNT00002A) Remote 310MHZ 8 Dip Switch. Important Before Purchasing!!