Z-shaped Handle with Key Lock Z-shaped Handle is easy to twist,charging cart has a locking system for front and rear doors,you can always trust it to keep your devices safe. Ventilation Design Ventilation design can improve airflow in the cart, thereby reducing the temperature. Power Strips UL certified power strips for quick charging connection. Cord Wrap Cord wrap keeps power cord out of the way. 35-Device Mobile Charging Cart with Key Locks 35-Device Mobile Charging Cart with Key Locks 32-Device Mobile Charging Cart with Key Locks 32-Device Mobile Charging Cart with Key Locks 32-Device Mobile Charging Cart with Combination Lock 32-Device Mobile Charging Cart with Combination Lock Devices 35 35 32 32 32 32 Key Locking System ✓ ✓ ✓ ✓ ✓ ✓ Locking Wheels ✓ ✓ ✓ ✓ ✓ ✓ Side Vents ✓ ✓ ✓ ✓ ✓ ✓ UL Listed Surge Protectors Key Locks (front and back) Key Locks (front and back) Key Locks (front and back) Key Locks (front and back) Combination Lock Combination Lock Level of Assembly Required Wheels & Handle & Wire Racks Wheels & Handle & Wire Racks Wheels & Handle & Wire Racks Wheels & Handle & Wire Racks Wheels & Handle & Wire Racks Wheels & Handle & Wire Racks