Easy to Install No need to drill holes and damage your cabinet. Easy to handle. Has the function of auto rebound and auto lock. Stainless steel trap and ABS plastic case, durable and anti-corrosion. A master card can be set so that several locks are opened. So you only need to keep one key to control all the locks. Motor service life is about 100,000 times, the static power consumption is less than 5A. Powered by 4pcs AA Alkanline battery that can be used for more than 12 months. Master card / key ring are set for the lock, it does not have to be programmed or activated. All you have to do is install 4 AA alkaline batteries, then you can use the lock. This is only suitable for wooden doors, widely used as special equipment for drawers, lockers, closets and sliding doors. The stand-alone reset system can be recognized by all cards (don't worry about the problem of losing the card). Great helper for quick and easy use.