... /AA batteries,press the button on the bottom to light up. 3. Flash light color: Red, yellow, bule, green, muti-color for choose ... shell Color canbe customrized 4. Material: PS 6. Three brilliant light modes which include: Rapid Strobe, Slow Flashing, and Still. 7 ... . Waterproof, safe for hand wash. 8. Low- power -consumption, energy -saving, lift-time durable ...