Specification: Bulb: High-power COB LEDs Flash Patterns: 7 Operating Voltage: 12 / 24V DC Average Current: 800mA in 12V DC/400mA in 24V DC(varies with flash patterns) Average Power: 8W at Max. (varies with flash patterns) / lighthead Two Way of Power Connection: 1. Cigarette Lighter Socket 2. Wire: black wire (To ground) Red wire (To +VDC) Wire Length: Primary Unit to Secondary Units ( 134cm / 4.4ft / 52.8inch) Primary Unit to Controller (235cm / 7.7ft /92.5inch) Controller to Cigarette Lighter Adapter (90cm / 2.9ft / 35inch) Extension cord for power connection (200cm / 6.6ft / 78.7inch) Last Pattern Memory Recall Function: Yes What s in the box: 4 x COB LED Lightheads with brackets 8 x Mounting Screws 1 x User Manual