... code, decrescent code, increasing code. Remote controls used on auto-car, motorcycle, electric cycle, automatic door, home alarm, sliding door ... learn easily, just spend 3 minutes.3 Strong function, cabinet body, with calculator of frequency and electric wave, signal scanner, ... door, and so on.3 Motor car hairdressing shop, motor car repair shop, car wash, 4S car serving shop.4 Manufacture of lock, ...