Size:2000W(FBA) Item specifics: –USB Output: DC 5V, 6.8A rated –Model: 391500 –Indicator: Green-operation, Red-shutdown –Input Voltage: 12V DC –Output Voltage: 110V~120V AC –Over Voltage Shutdown: DC 16V-17V –Low Voltage Shutdown: DC 9V-10V –Built-in Fuse: 60A –AC Output: 2000W Rated,4000W Peak –Power inverter size: 26*15*10CM –Built-in fuse and cooling fan protection: low battery alarm, low battery shutdown, overload protection, short circuit protection, over power protection, over current protection, over heat protection. (Applied for a 12V car but not 24V) –Durable metal housing provides advanced protection from drops and bumps. Integrated cooling fan helps reduce heat and prevents shortages. Package List : 1 x Power Inverter 1 x Cigar battery connector line 1 x User Manual After electrify, detect battery voltage automatically, 5sec later display car temperature, another 5sec later display battery voltage. When USB was connected, display USB voltage, 5 sec later display USB current.