Description Power Cont.: 410 W Power Surge: 820 W Efficiency Max: 85.00% Input Voltage: 10.0 - 15.0 VDC Input Current Max: 42 A Input Current Min: < 0.6 A Output Voltage: 110 - 125 VAC Output Frequency: 60 ± 3 Hz Output Wave Form: Modified Sine Wave Dimensions: 3 × 7.5 × 9.63 in Weight: 2.18 lb 410 WATT/820 PEAK WATT POWER CONVERTERFOR MOBILE ENTERTAINMENT & ELECTRONICS Converts vehicle power to 120VAC household power. Compatible with all smartphones, tablets and USB devices. 2A USB port – 2X faster. ON/OFF switch. LED indicators. Surge protection – Protects against damaging current fluctuations. Thermal protection – Shuts down if operating temperature is too high. Built-in, high-speed cooling fan. Low battery alarm. Easy to use – plugs into vehicle's accessory outlet or connects directly to battery with clamps. Contents: (1) Schumacher XI41B (1) clamp adapter (1) DC adapter (2) replacement fuses. (1) owner's manual