{"product_id":"1-35w-520nm-green-laser-positioning-indicator-adjustable-focus-head-3-2-power-modes-60-thermal-step-down-protection-full-anodized-aluminum-housing-for-astronomy-outdoor-signaling-teaching-demonstration","title":"1.35W 520nm Green Laser Positioning Indicator, Adjustable Focus Head, 3+2 Power Modes, 60℃ Thermal Step-Down Protection, Full Anodized Aluminum Housing for Astronomy, Outdoor Signaling \u0026 Teaching Demonstration","description":"\u003cdiv\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis 1.35W 520nm high-brightness green laser positioning indicator is a professional optical tool developed for astronomy enthusiasts, outdoor explorers and science educators. It features adjustable focus structure, multi-level brightness modes and intelligent temperature control system, delivering stable long-distance beam performance for star pointing, outdoor team positioning and teaching demonstration. Constructed with full anodized aluminum alloy housing, the laser is robust, portable and durable for long-term outdoor and daily use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCore Features\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdjustable Focus Head\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nRotate the laser head freely to adjust beam thickness within a certain range, switching between concentrated pinpoint spot and wide beam to fit different observation and positioning scenarios.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e21700 Battery Compatibility\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nSupports flat-top 21700 lithium batteries with discharge rate above 3C (battery not included, prepare separately).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e3+2 Multi-Function Modes with Rear Push Switch\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n3 regular brightness levels for daily use;\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nDouble-click to activate ultra-high brightness mode;\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nTriple-click to trigger strobe flash mode for emergency signal reminder.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePremium Anodized Aluminum Alloy Body\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nIntegrated full metal housing with oxidation-resistant, wear-proof anodized finish.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nDimensions: approx. 19cm length, 3cm width\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nWeight: approx. 0.2kg\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nSolid texture, lightweight and convenient for outdoor carrying.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLong-Distance Visible Beam\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nVisible beam distance reaches 2 to 5 kilometers. Actual effective range is affected by wind speed, ambient temperature and air quality.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e60℃ Intelligent Thermal Protection\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nBuilt-in temperature sensor automatically reduces power when internal temperature hits 60℃, protecting the laser diode effectively and preventing overheating damage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstronomy Observation\u003c\/strong\u003e: Point out stars and constellations during night stargazing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor Activities\u003c\/strong\u003e: Long-distance signal indication and team direction positioning for camping, hiking and field exploration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScience Teaching\u003c\/strong\u003e: Auxiliary optical demonstration for astronomy courses and popular science education\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWarranty \u0026amp; After-Sales Policy\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eWe provide \u003cstrong\u003e1-year official warranty\u003c\/strong\u003e for quality defects under normal operation.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nPaid maintenance will be required for damages caused by human factors, including water ingress, unauthorized disassembly, falling impact and improper misuse.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eMandatory Laser Safety Disclaimer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis is Class 4 professional high-power optical equipment, only for adult use. Keep far away from minors under 18 years old.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nAlways wear matched laser safety eyewear during operation.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nNever aim the laser beam at human eyes, crowds, vehicles, aircraft, buildings or wildlife.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nDo not leave the device powered on unattended for extended periods.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Gearlair","offers":[{"title":"Default Title","offer_id":50592210649311,"sku":null,"price":296.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/3632\/2783\/files\/image_1._1.35_520nm_..._0_399fb446-5b43-4ef1-9ced-0b14a3a16e42.jpg?v=1784721517","url":"https:\/\/gearlair.com\/products\/1-35w-520nm-green-laser-positioning-indicator-adjustable-focus-head-3-2-power-modes-60-thermal-step-down-protection-full-anodized-aluminum-housing-for-astronomy-outdoor-signaling-teaching-demonstration","provider":"Gearlair","version":"1.0","type":"link"}