The Panasonic NN-SB55LS is a 1.3 cu. ft. microwave with Inverter technology and a 1200W cooking power. It features a 13-inch turntable, sensor cooking, and a variety of auto-cook and reheat options. The microwave also includes a child lock and white LED lighting. 
Key Features and Specs:
Capacity: 1.3 cubic feet. 
Cooking Power: 1200 Watts. 
Inverter Technology: Provides even cooking and reheating by varying power levels. 
Turntable: 13-inch diameter. 
Sensor Cooking: Yes, with various sensor programs. 
Auto Cook/Reheat: Includes options for beverages, pizza, potatoes, frozen vegetables, dinner plates, fresh vegetables, and frozen entrees. 
Other Features: Turbo Defrost, Popcorn sensor, Child lock, White LED lighting. 
Exterior Dimensions: Approximately 20.43 inches wide, 12.4 inches high, and 15.2 inches deep (51.9 cm x 31.5 cm x 38.6 cm). 
Interior Dimensions: Approximately 14.7 inches wide, 11.8 inches high, and 15.9 inches deep (37.3 cm x 30.0 cm x 40.4 cm), according to The Home Depot. 
Weight: Approximately 27.56 lbs (12.5 kg).