Specifications532nm high power green laser pointer 200mW Well tested,high quality Power:200mW Focus adjustable Rechargeable battery 532nm high power green laser pointer 200mW Specifications: Wavelength:532nm Size:φ23×150mm Output:50-300mW Life time:5000h Working current:<1A Working voltage:DC=3.7V Colour of the pen:Black rubber paint Working temperature: 0 +45 Range of the laser:Over 500-8000meters Divergence angle:0.8-1.2mrad Bateries:18650*1pcs Beam diameter:1.5mm class:IIIb NOTE: •The green laser pointer pen can bright enough when you light it in normal temperature, so you had better do not light it continually in 30 seconds •Avoid direct eye exposure to laser beam (any contact to the human eye can cause permanent damage). Never expose your eyes or anyone else`s to the laser beam •Please put it away from children to avoid the danger by contacting. When do not use it, please take off the battery from the laser in order to avoid the damage by the children`s contacting •In some countries these laser pointers (especially the higher powered ones) may be illegal to own and/or use. Therefore, by purchasing these products YOU (the customer) accept all responsibly and liability to determine and fulfill the requirements and limitations of use or resale of these products in accordance with your country`s laws and regulations. In the event of resale, you also agree to include this notation in the product description, so that any potential buyer can also make an informed purchasing decision