1.rolling code hcs remote control 2.could with HCS** chip programmable. 3.applied to alarming system,auto gates etc..... 4.with high stability,frequency fixed or adjustable optional. Our Service: 1. Professional technological support 2. 2 years product warranty 3. Well trained sales team to provide efficient service. 4. Your inquiry will be responsed in 12 hours. Our Advantages: 1. Stepped into RF field for over 10 years, now is the head company in RF remote industries. 2. Cooperated with first class raw material suppliers for years, stable provide and high qualified material. 3. Strict QC system through production. 4. Dust-free plant with imported machines,high efficiency and accuracy. 5. Stable vendor of some large companies due to high quality and good service. etc......