Every bicycle used at nighttime must be equipped with:

• A lamp on the front that emits a white light visible from a distance of at least 500 feet in front of the bicycle
• A red, DPS-approved reflector on the rear visible from distances of 50 feet to 300 feet
• A blue light on the rear visible from a distance of 500 feet
• Both A & B
  Explanation:

  "Every bicycle used at nighttime must be equipped with a front lamp that emits a white light visible from at least 500 feet ahead, and a red DPS-approved reflector on the rear visible from 50 to 300 feet."