how to build a laser pointer

Brand Name:Xinland

Model Number:XL-GP950

Place of Origin:China

...Laser Pointer / Strong Green Laser Pointer For Copper Cutting Specification: Item XL-GP950 Wavelength 532nm Colour Green Power 1000mw Transverse Mode TEMOO Working mode CW Voltage 7.4V Current 2000mA Application Area: Teaching / lectures Astronomy enthusiasts Museums ,Gallery guides Building field / mining field Business person/ Conference Speaker Bars, KTV, clubs, concert site Power Available: Laser...

Brand Name:Bosean

Model Number:M-600

Place of Origin:Zhengzhou,Henan,China

... industry,construction and industries. It is very useful and convenient to give accurate measurement of distance,area and volume especially in large areas such as rooms, apartments, buildings, real estates,

Brand Name:LASERSPEED

Model Number:L9

Place of Origin:CHINA

... Dimension 2.3(L)*1.0(H)*1.2(W)/inch 57.7(L)*24.6(H)*30.53(W)/mm Net Weight 1.85oz(52.5g) Battery Type Build-in Rechargeable Battery Working Mode Constant/ Pulse Battery Runtime Constant 1hrs/ Pulse 1.5hrs Features •Tactical Low ...

Brand Name:DUALRAYS

Model Number:DR-SPL800-FG2

Place of Origin:Shenzhen,China

... Lights For Building Exterior And Sports Ground Features: * Aiming device Laser Pointer; * 30°/60°/90° beam angle for options; * 400W 45000lm, for 800W MHL equivalent; * ±360° adjustable bracket; * TM21(L80>50000hrs); Aiming device Laser positioner ...