-With a security lock on the hot water tap to prevent accidental burns -Two switches at the back the red for heating and the green for cooling-LED indicator lights make you clear about the operation status-The water barrel seat and the drip tray are detachable for easy cleanup-Designed with a large storage cabinet to place disposable plastic cups-Perfect for home office and public places like a library and restaurant etc.-Mainly crafted by premium durable ABS and PP plastic sturdy and durable-W