Shengjike 1 Set Garage Door Lock Emergency Release Key Switch Garage Door Opener

Description This product is an emergency release lock. It is made of solid materials. It is safe and durable. It can serve you for a long time without being easily damaged. It is an excellent emergency release lock that can bring you more convenience allowing you to have a more comfortable experience. Features -Color:As Shown Random Color Lock Cylinder -Material:Steel wire metal -Size:5.50X5.50X4.00cm/2.16X2.16X1.57in - This door lock allows manual opening of the garage door in the event of a power failure or other opener failure. - This garage door emergency release lock is universally compatible with most brands of garage door openers. - Made of die-cast construction brushed steel wire and metal for durability. - Widely used in bank hotel store school home mall and etc. - Simple installation easy to use for beginner or professional allow you to use in an orderly and stable way.