Lingstar (TM) 12V Car Auto Truck Motorcycle White Flash Warning 4 LED Strobe Light lamp Pack of 4 LED Bulbs Low energy helps save your power supply100% Brand New, all white color. Easy to control on/off switch. Number of LED : 4 Super bright. Long-lasting Upon installation, the flasher unit should be well treaded for water-proof; otherwise, if water goes inside, the functions will completely lose.