Holmes Thin Window Fan with DC Reverse Motor, HWF0505DR-BU:3 speed settingsDigital LED control panel and electronic thermostatRemote controlHolmes window fan with DC Reverse Motor has a 12-hour timerElectronically reversible bladesPatented locking extender screens5-year limited warrantyDimensions: 25.27"L x 3.38"W x 7.67"HModel# HWF0505DR-BU