Hospital-grade, mobile charging cart charges, secures, organizes and sanitizes up to 32 Chromebooks and laptops with screens up to 15" in healthcare, education, retail, warehouse and office settings. Your AC adapters plug into 32 NEMA 5-15R outlets for charging. Built-in circuit breaker protects the devices against overloads. Ultraviolet cord with NEMA 5-15P HG plug to reach AC outlets. Four pre-installed swivel casters with large, nonmarking wheels improve the ride over uneven surfaces and lock to help prevent unwanted movement.