Operating Voltage: 12V DC. It runs directly off a 12V automotive battery or a solar battery backup system.Power Output: 150 Watts. This draws roughly 12.5 Amps of maximum current.Heating Performance: Rapid warm-up times. It typically reaches 100°C in about 1 minute and up to 200°C–220°C max temperature within 25 minutes.Temperature Adjustment: Features a built-in thermostat dial to control the heat according to different clothing fabrics.Connectivity: Equipped with a long power cord ending in heavy-duty alligator battery clamps (red for positive, black for negative) to easily pinch onto battery terminals.