1. Usage: Cycling, fishing, mountain-climbing, jogging, searching etc. 2. It's a combination of head light for lighting and rear light for warning. 3. Accessories: Clip holder, Elastic strap and Rechargeable battery (9 hours working time) 4. Water resistance, thunder and lightning resistance (suitable for fog day) 5. The light patterns: White head light + rainbow flash rear light (Cool and shining) 6. Up/down angle adustable
