1. High power CREE XML2-U2 LED 2. Tail switch controls on/of 3. Deep reflector, long range 4. Ultra-clear optical glass, N layers optical glass, bottom skid proof design 5. Comfortable hand hold design, easy operate 6. Five lighting modes design, high/medium/weak/strobe/SOS 7. Waterproof in daily life, rainproof, moisture-proof, soaked in water for short time 8. Suitable for different environments, hiking, camping, life lighting, riding, maintaining etc.