HandAcc 500 Lumens Handheld Flashlight Led Tactical Flashlight with Adjustable Focus for Camping Hiking and other Outdoor Sports -Bike Mount Holder Included Mechanical rotating zoom system, more precise and studier, easy to adjust between spot and flood Bike mount holder included, easy switch between bike light and handheld LED Flashlight 3 modes for increased versatility: high/low/strobe, push-button tail switch for one-handed operation Can use 3 AAA size alkaline batteries or one 18650 rechargeable battery (batteries not included) Made of high quality aluminum alloy and solidly constructed; skid-proof, waterproof and shockproof design equipped with pocket clip and lanyard