how to make a laser pointer

Laser Pointer 200mw Powerful 532nm Strong Light Green Laser Pointer Pen Product Details: This laser pointer 200mw 532nm ultra powerful mid-open beam light green light laser pointer pen is small and exquisite, portable and with richer applications. Laser pointer is a good guide for your traveling, and a good tool for pointing to the faraway target or stars and sending out the SOS signal, making...

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

...laser pointer 1mw 5mw 10mw 20mw Model: HY-16 Length: 21.75cm Product Description: red laser pointer 1mw 5mw 10mw 20mw adopt 650nm laser diode as a light emitting device, the output power can be up to 1mw-30mw. It’s applied to single-mode or multi-mode fiber measurements.HY-16 uses 3pcs of 1.5v AA battery for power supply, making...

Logitech R800 Professional Wireless Presenter Laser Pointer Description: Power to make high-impact presentations. Green laser pointer: Your audience sees exactly what you're pointing to, even in bright rooms or on LCD or plasma displays. LCD display: Keep ...

...Laser Pointer 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 when you came back from your office. Now,our laser pointer light can save the trouble for you.You just stay in bed and turn off your light to enjoy the happy time with your lovely cat. Features: This a kind of toy that can make...

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 Angle degree F/2.5 aperture; 1080P Dynamic HD image, makes every detail clearly; Excellent video recording...

Product Description: One of the key advantages of this laser ranging product is its stealth ranging capability. Unlike traditional laser sensors that emit a bright red flash, our product's laser beam is invisible to the naked eye, making it ideal for ...

... Catnip Imitation Fish Teaser Toy For Pet Cat Laser Pointer Cat Toy Pet Chew Toys Products Details: 【Automatic sensing interaction】When the cat touches the dancing fish cat toy, the fish cat toy will make a sound, swing back and forth, 3D cat toy ...

Product Description: The black painted aluminum pointer on the Liquid Filled Pressure Gauge is easy to read and provides clear readings. The gauge is designed to provide an accuracy of ±1.6% of full scale, ensuring that you get the precise readings you ...

... the people 's "head and eyes". Line of sight stabilization accuracy≤35μra. 1080p visible and dual IR sensors thermal make sure the performanc of Day/Night.As one of laser guid weapon system. T