Model: laser 301 Material: hard aluminumExterior Finish: black anodizedSwitch mode: touch switchBattery: a 18650 rechargeable lithium battery (package not included)Start-up time ≤ 3 secondsAdvantages:1 aviation aluminum alloy， durable; beautiful new shape2 external focus， easy adjustable beam thickness， spot size (focusing very convenient);3.1 18650 battery-powered， large capacity， easy to purchase， continued long;4 side switch design， press the power light， loosen off;5 import and accessories， increased service life， more than 8000 hours;6 built-in laser module to improve cooling devices， circuit board protection design collection.Package Includes1 x Laser Pointer(Charger and Battery Not Included)