GE Spacemaker Over-the-Range Microwave Oven JVM1540DMBB 1.5 cu. ft. capacity - 950 watts (IEC-705 Test Procedure) Sensor cooking controls - Automatically adjust time and power for exceptional cooking results Auto and Time Defrost - Automatically defrosts for a specified amount of time Turntable On/Off - Ideal for oversized, oblong-shaped dishes Two-Speed, 300-CFM Venting System - Quickly removes smoke and steam from the cooktop