Marantec M13-631 Wireless Keypad Entry System 315Mhz Works with all Marantec 315MHz garage door openers Ability to control up to 3 different garage door openers Compatible with opener models M-4500, M-4700, Q7500, Q-7700, Q-7900, M-LINE, Q-LINE Compatible remote controls M3-2312, M3-2314, and M3-3313 Replaces discontinued model ML-631 New flat-style button face Flip down swivel cover. Weather resistant. LED control button verification Convenient 4-digit pin. Provides temporary access to authorized visitors Includes spacer kit for mounting onto metal surfaces, mounting screws Programming connector and batteries included