**Compatible Model**: Works for 1993 to Present Chamberlain Liftmaster Sears Craftsman with a Yellow, Purple,Red/Orange,Green Learn Button.Replacement for 950ESTD 950CD 950CB. **24 Hours Amazon Tech Support & Extended Warranty**: Enjoy 24/7 tech support on Amazon and an extended warranty for peace of mind. **100,000 Cycle Tested & FCC Certified**: Tested over 100,000 cycles and FCC certified for reliability and safety. **240MAH Battery & Smart Chip**: Equipped with a 240MAH lithium battery and a third-gen smart chip for long-lasting use and enhanced compatibility. **Rolling Code & 164 Feet Range**: Features rolling code technology for anti-theft and a remote range of up to 164 feet. **Durable ABS Alloy Shell & Easy Pairing**: Built with a durable ABS alloy shell, easy to pair with your garage door motor, and fits conveniently on your car’s sun visor. 【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. Works for a Yellow, Purple,Red/Orange,Green Learn Button of 1993-Current Chamberlain Liftmaster Craftsman Garage Door Opener.Replacement for 950ESTD 950CD 950CB.