Store and charge up to 40 Tablets, with 20 Tablets being stored on each of two shelves that are adjustable on 2" increments. Cart features an additional upper shelf can be used for storing a laptop or accessories. The top of the cart and all of the interior shelves include anti-skid mats to help keep equipment stable when the cart is moved. Unit includes USB Hubs and surge protected power strip for syncing and charging of data; a computer (not included) is required to sync the tablets. Wires can be routed from the front or rear of the cart using the supplied mounting clips. Front and rear doors have full piano hinges and two-point locking paddle handles with key locks for security. Ventilated panels offer excellent air circulation. Durable steel construction has a scratch-resistant white powder coat finish that compliments both school and office environments.