This listing is for two LED marker lights that are CE and E approved. They are 50mm wide and 73mm in height. The operating voltage is 12 volts to 30 volts and its current draw is 0.3 amps at 12 volts and 0.15 amps at 24 volts. The lens is made of PMMA and the rear cover is made of ABS. It require 2 bolts to fix and is IP67 waterproof.