Description This MMK200 Digital Keypad is designed for use with Mighty Mule automatic gate operators. The wireless digital keypad provides secure access to your property. It can be programmed to use up to twenty-five different personal identification number (PIN) codes.Ideal for entry or exit. The radio format provides unparalleled security with more than a million different codes. And code set up is simple - add or remove codes for users in just a few steps.PRODUCT DETAILS: Compatible with the 271, 272, 371W, 372W, 571W and 572W, TS571W gate openers. Supports up to 25 user codes - ideal for guests, short-term renters, service providers and caretakers. Ideal for guests, short-term renters, service providers and caretakers. Built-in, soft blue backlighting for use at night or in dark areas. Press any key to activate. Easy to program - add and remove codes for users in a few steps. Features an extensive 100 ft. wireless range Requires three AAA batteries (included in package).