1, RF transmitter for home/ car alarm system . 2, OEM design welcome 3, the case ... only with one screw . 4, CE/ RoHS Description :Item : remote control for home ... remote ,sliding gate remote ,automatic door remote ,home alarm and so on .Available fixed code chip ... ,SMC5326-4SMC918 ,SMC918-3SMC918-4, HT680 etc .2.Self-learning remote control3. Learining face to face ...