It’s important to get the right air conditioner for the job! The LG 12,000 BTU LW1224RD is ideal for cooling medium rooms up to 550 sq. ft. This unit has 3 cooling and fan speeds and a 24 hour timer to create a cooling schedule. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include a remote control, easy window installation kit, removable, washable filter and a check filter alert. 115 volts.