Top Laser 303 200 MW Laser Pointer Green Focal Length Adjustable and Star Filter Pattern with 18650 Battery + Char ... The products are shipped according to the color or size of the main image on the product page. Characteristics ---------- (1) brand laser green (2) True 200 MW Max exit (3) Special feature: Green Laser Spot size is adjustable, the range is 0 to 60mm (4) Key lock switch to avoid misuse by other people (5) It can be exploited by a CR123A battery or 18650 battery (6) Ideal for pointing long distance objects, like stars (7) Extremely visible green beam of light in the dark (8) Scope of more than 6,000 ft (9) Energy saving, compact and reliable (10) Maximum efficiency: & amp; lt; = 200 MW (11) wavelength: 532nm (12) Output wave: continuous wave (13) Power by 1x18650 Battery (14) Length: 5.77 " (15) Diameter: 0.9 " (16) Weight: 3.5 oz === Package list: ---------- 1x laser pointer pen 1x 18650 battery 1x charger