**Compatible List**:ONLY Compatible with Topens / Aleko / Lockmaster / Carsa Sliding Swing Gate Opener Remote. **Enhanced 3-year warranty**: Enjoy a premium after-sales warranty with our comprehensive 3-year warranty. **Extended battery life**: Our high-capacity 12V 27A Alkaline battery is designed for sustained, long-term performance. **Rigorously tested and built to las**t: Each product is tested more than 100,000 times to ensure reliability and durability. **Rolling Code Security**: Our devices are equipped with state-of-the-art technology that provides a range of over 164 feet. **FCC Certification and Amazon Support**: Our products are FCC certified in North America and come with round-the-clock customer support from Amazon. **Easy pairing and practical accessorie**s: Seamlessly sync our devices with your garage door opener and conveniently clip them to your cars'key. 【After-sale Service】We provide 3 YEAR warranty with no condition return or exchange. 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. M12 Topens Gate Opener Remote