The Electron Micro 2K Piko 5K Light Set. The Micro 2K features a Krypton light and two LED's with three mode functionality; full power, half power and constant LED, whilst the Piko 5K features 5 LED's and six modes of constant and flashing light. LED power has the benefit of long battery life. This light set comes complete with handlebar and seatpin mounted quick release brackets, and alkaline batteries.