Hallowell Three-Wide Triple-Tier Lockers w/ Electronic Lock - Unassembled (12" W x 18" D x 24" H Ope (UEL32883) - Hallowell's Three-Wide Triple-Tier Lockers with Electronic Lock take up less room in your hallways than single units because they share inside panels. They feature electronic locks with four-digit codes that can be programmed for day use or permanent mode. In day use mode codes are determined by temporary users as lockers become available, and in permanent mode codes are pre-assigned to specific lockers. The locks are equipped with eight-digit master and sub-master codes for two levels of security, and powered by two AAA batteries providing over ten thousand uses. These durable lockers include 16-gauge steel frames and 24-gauge steel body panels. Each opening has a double hook for hanging coats and book bags. Doors have louvers for ventilation. Full-length piano hinges protect fingers from pinching and keep doors firmly attached to locker frames. This model ships unassembled.