Access Master 315MHz Security + garage door openers anduniversal receivers that have a purple learn button and315MHz gate receivers. Standard Features Sleek and stylish, leather-like grip. Motion-detecting feature streams brilliant blue lights from the push-button windows. Can control up to three doors or gates. Directional visor clip included. Batteries included; built-in technology uses ""sleep"" mode to conserve battery power. Equipped with Security+ anti-theft technology. Compatible with LiftMaster 3000 series garage door openers and all 315MHz LiftMaster and ELITE gate operators.

Takes TWO CR2016 Batteries