50PCS KY-008 3pin 650nm Red Laser Dot Diode Copper Head Module for DIY Kit

Product Description Dot laser Operating voltage: 5V Power: 5Mw Wavelength: 650n m OD: 6mm 1. This 5V head very easy to use, you can use control, do controllable pointer, theft detection, etc. interesting application devices. 2. Whenever the can not point to themselves or others eyes, even if the case is closed the will have to open the possibility of error. 3. the is not a toy, do not give , insufficiency, for people who do not understand the use of the characteristics, in this case, can easily lead to injury. 4. the use of lasers should wear goggles, for the invisible laser, this point is particularly important. 5. the can not shine in vehicles, aircraft and other transport vehicles someone. void setup () { pinMode (13, OUTPUT); / / define the digital output interface 13 feet } void loop () { digitalWrite (13, HIGH); / / open the head delay (1000); / / delay one second digitalWrite (13, LOW); / / turn off the head delay (1000); / / delay one second

• 50PCS KY-008 3pin 650nm Red Laser Dot Diode Copper Head Module for DIY Kit