Briggs & Stratton 15,000-Watt Bi-Fuel Standby Generator with 100 Amp Automatic Transfer Switch #40236

Provides maximum home standby power. Unit exercises every 7 days to ensure readiness during a power outage. Runs on gas. Engine: Vanguard 895cc, Rated Watts LP (kW): 15,000, Rated Watts NG (kW): 14,000, Surge Watts LP (kW): 18,500, Surge Watts NG (kW): 17,500, Volts: 120/240, Start Type: Automatic, Phase: Single, Noise Level (dB): 65, Transfer Switch: Yes, Fuel Type: Liquid Propane or Natural Gas, Enclosure: Yes, Battery Required: Yes, Battery Included: Yes, Auto Shutdown: Low Oil,, Safety Alerts: Fail to Start, Engine Overspeed, Low Frequency, Low Voltage, Low Battery, High Oil Temperature, Dimensions L x W x H (in.): 48 x 33 x 30 1/2 (Amazon)