... -spot or dark-spot in its centre.9. Proof: Rainproof, Shockproof, fog proof, waterproof 30Minutes in 1M Deep10. 401Mode flashlight: only ... )11. Inside use High Accuracy Tacical Waterproof O-ring12. Weaver Mount: Tube diameter is 1 inch(25.4mm), Rail system Wide ... Laser marking machine for free fee15. Accessories: LED flashlight, Weaver Mount, wrench, Mouse rail switch, on/off switch, migc paste ,2pcs ...