650nm Laser Transmitter Module 5mw 5V

From the shop's description

The Laser Transmitter Module 650NM 5V head is composed of a light-emitting tube, condenser lens, and adjustable copper sleeve and it is assembled when delivered, the focal length of the lens is adjusted glued by strong glue stick, which can work directly after connecting to a 5V DC power supply. Laser Diode Module is a breadboard friendly, low cost having the wavelength of 650nm and operating voltage of 5V. The laser head is composed of a light-emitting tube, condenser lens and adjustable copper sleeve and it is assembled when delivered, the focal length of the lens is adjusted glued by strong glue stick, which can work directly after connecting to a 5v dc power supply. Pay attention to the laser cell to prevent from being burnt or battery explosion due to a short circuit when removing the battery. PINOUT 1 – GND 2 – 5V 3 – S (Control: HIGH = Laser on) Applications : Laser test tools. Concentricity positioning. Medical equipment positioning. Production of signal equipment. Use for DIY or robots. All kinds of level meters. Laser projector. Laser toys, etc. Warning!!! This is a low power laser device, however as with all laser devices care should be taken when in use. You should never look directly in to its beam or point the laser at another person. Doing so may cause permanent eye damage. This item is not suitable for children. Package Includes : 1 x LASER MODULE 650NM 5V. Operating Voltage (VDC) 3 ~ 5 Laser Output Type Red Laser Straight Driver APC circuit Line Length 135 mm Transmit Power 58mW Max. Operating Current (mA) 40 Operating Temperature (°C) -30 to 60 Length (mm): 20 Width (mm): 15 Weight (g): 3 Shipping Weight 0.005 kg Shipping Dimensions 3 × 3 × 1 cm