how to make a laser pointer

200mw Powerful 532nm Strong Light Green Pen Product Details: This 200mw 532nm ultra powerful mid-open beam l...

... mode : CW Voltage :3.7V Current :250mA Size : 112mm*23mm Beam distance :2000m-5000m Beam diligence :<5° safety : Class ⅢB...

... 1mw 5mw 10mw 20mw Model: HY-16 Length: 21.75cm Product Description: red 1mw 5mw 10mw 20mw adopt 650nm diode as a ...

Logitech R800 Professional Wireless Presenter Laser Pointer Description: Power to make high-impact presentations. Green laser pointer: Your audience s...

... Pen for fun Description: For many toys for cats,you have to exercise with your cats. However,you are too exhausted to play with it wh...

2.0" Laser Pointer IR Night Vision Body Worn Video Camera HD 1080P 60fps 32GB Specification of body police camera-SOP-09.pdf Product description: 140 ...

Product Description: One of the key advantages of this laser ranging product is its stealth ranging capability. Unlike traditional laser sensors that ...

... Catnip Imitation Fish Teaser Toy For Pet Cat Cat Toy Pet Chew Toys Products Details: 【Automatic sensing interaction】When the cat tou...

Product Description: The black painted aluminum pointer on the Liquid Filled Pressure Gauge is easy to read and provides clear readings. The gauge is ...

... the people 's "head and eyes". Line of sight stabilization accuracy≤35μra. 1080p visible and dual IR sensors thermal sure the performanc of D...