Omnimed ABS patient security cabinets prevent viewing of stored contents and are easy to clean. They have an electronic lock that uses 1 AAA battery (included) and has a battery failure override. The lock can be programmed with master, sub-master and user code options for different levels of security. The lock's keyless touch pad uses 4-digit code that is self set. These white plastic cabinets have durable stainless steel hinges and pre-punched mounting holes. Units measure 10 1/2H x 7 1/2W x 4D.