Introduction The XenoCut Laser Pointer Pen has built-in rechargeable batteries and supports USB charging for added convenience. Even better, it offers a USB output so you can use it to charge cellphone in emergency situation. With high output power, it produces a blue laser beam that is clear, bright and full of energy. Its high power makes it possible to light matches or cigarettes, burn paper, repel birds and much more. And it features adjustable focus to suit all kinds of needs. Aero grade aluminum alloy shell is tough and durable for long-lasting use. It surely is worth your investment! Features Produce a blue laser beam that is clear, bright and full of energy Can be used to light matches or cigarettes, burn paper (only available on high power models), repel birds and much more Adjustable focus to suit all kinds of needs Low - voltage quick start, no need for warm up Aero grade aluminum alloy shell, tough and durable Built - in rechargeable batteries, support USB charging Offer a USB output to charge cellphone in emergency situation Compact and light, easy to carry The laser beam remains lit for up to 8 minutes, then you can turn it off and light it up again Specifications Brand:XenoCut Shell Color :Black Overall Material :Aircraft Aluminum Laser Color :Blue Output Wavelength :450nm/520nm Laser Range :15000~100000m (The Greater The Power Range Far) Charging Way :USB Battery Type :2 x 16340 (Including Internal Battery) Range Mode :1st (Strong) Whether Focusing :Focus Focusable: 2CM Can Focus to Infinity Safety Class :Class IIIB Spot Shape :Dot Light Style :Five Different Linear Pattern Operating Voltage :DC 7.4V Start Voltage :DC 3.7V Working Temp:- 10℃ ~ + 45℃ Storage Temp:- 10℃ ~ + 35℃ Life:6000 hours Warm - up Time :None Circuit Efficiency :More than 85% Conversion Circuit:Step - down Constant Current with Reverse Polarity Protection Surface Treatment :Environmental Characteristics of Oxide Waterproof Rain :Normal Use (No Diving) Anode Structure :IPX - 4 Spot Size :10M at