EASY INSTALLATION. FILTERS THE AIR AS IT COOLS. WASHABLE FILTERS. SELF-DIAGNOSTIC SYSTEM. CONDENSATE OVERFLOW PROTECTION. SPOT COOL AND ROOM COOL THERMOSTAT SETTINGS. ON/ OFF TIMER. DURABLE METAL CONSTRUCTION. AUTO-RESTART (WHEN POWER INTERRUPTED). COMPRESSOR TIME DELAY. HIGH PRESSURE SWITCH. ANTI-FREEZING DEVICE.