... No.: High Power LED Strobe light RDH20-20 Single LED size: Dia. 8.5cm, thickness 2.3cm Controller box size:8x5x2.7 cm LED numbers: ... 18pcs of double chips flux LED Input Voltage: 12VDC Power: 9 W Shell color: ... can be controlled by switch on the controller box Features: high brightness, with controller box Application: traffic safety, ship, security pavilion, ...