Wireless rolling code garage door opener keypad. Compatible with Intellicode openers made since 1996. Wireless, mounts outside the garage. Dual-frequency radio for stronger signals and less interference. Automatically seeks frequencies 315 or 390 MHz (megahertz). Controls up to 3 Genie operators with 1 wireless keypad. Rolling-code technology. Flip cover can be spray painted. Requires 2 AAA batteries (included).