... LED Strobe Light Item No.: RDH-25D Specifications: Single LED size: 18.5x6.5x3 cm LED numbers: 96pcs of LED LED Type: 3mm or 5mm LED ... design of monolithic, three modes of automatic flash 2.LED Luminous source has long life and excellent shock resistance. ... made waterproof 5.used widely for police car, security pavilion, warning light on expressway, warning light for motor, ship and high building.