wavelength 405NM pn:11041065 output 250mW after the beam expanded, the output must be reduced to 100-150mw working voltage 3.6-4.2V can work with one pc 18650 li-on battery diameter of the beam 14-16mm   size 22*55mm   working current 300mA   ld NDV4512 Nichia storage temp. 4080   duty cycle 4-8hr on you can prolong it by adding heatsink Note: all fat beam lasers normally used in fog or smoke area, so that in those areas, the beam can be seen. if you use it in open and bright area, you man cannot find the laser beam package: one pc
Shipping & Delivery
There are two methods of shipping for you to choose when you check out. The free shipping is Air Mail (postal service), the postal system will make the delivery. The Express shipping is EMS, DHL or UPS. We will choose the company for you depending on their service availability
1. The default shipping service for all items over $10 is China Post or Hong Kong Post Air Mail with a tracking number: a tracking number is used for mail status tracking and it is insurance at the same time. Order under $10 will not have such a tracking number.
2. You can track your mail though national post within 3 days after the payment and a tracking number is provided by item status notification email from laserlands. For example: US USPS. We will send the tracking number to your via your email .
3. Within 3 business days for domestic handling time once cleared payment received.
4. 7-21 business days for delivery to US destinations on any orders and 7-29 business days for delivery to any International destinations for air mail.
5. The

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