The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. 10,000 BTU Dual Inverter Smart (Wi-Fi) Window Air Conditioner. With the 450 Sq. ft. cooling coverage, keep your bedroom or living room comfortably cool. Provides enough cooling in your room with 4 fan speeds. LoDecibel Quiet Operation down to 44 dB. Up to 35% Energy Savings. ENERGY STAR Certified. DUAL Inverter technology - Variable speed compressor. 3 in 1 operation: Cool/Fan/Dry. User friendly digital control panel and LCD remote control. Fits window openings: 22"-36"W x 13"H. 4 cooling and fan speeds with auto cool. 4-way air deflection. 24-hour on/off timer. Power failure auto restart. Removable, washable filter. Filter check reminder light. Window Installation kit included. 115-Volt LCDI Plug (NEMA 5 - 15). ⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov Safety Data Sheet.