The circuit board is a precision component. After receiving the package, it supports 7 days without reason to return the product without opening the original package. After the original package is opened, no return is provided. After sale, please consider whether you have the ability to install it manually before purchasing. Do not purchase if you do not have the ability to install! Our company does not provide trial play/trial loan/trial service. Thank you for understanding!

Suitable for 100mW-200mW high-power red and green laser diode, as well as for 780nm 808nm laser diode.
Input Voltage:2-8V
Output Voltage:2-7V
Output Current:<300mA
Circuit control: constant current output
Size : 10*19mm (width * length)
 

Note:
When the input voltage is 2V, the driver board starts to work and micro currents appears; when the voltage input is over 5V, the circuit board starts to heat slightly; when the input voltage exceeds 7V, severe heating occurs.