{{http://nejetool.oss-us-west-1.aliyuncs.com/wiki/module_3500U/005.jpg?250x250}} {{http://nejetool.oss-us-west-1.aliyuncs.com/wiki/module_3500U/006.jpg?250x250}} Main applications: grayscale engraving, drawing, simple depth engraving, simple cutting, etc. Interface specification: 4pin PH2.0 (red: 12V, black: GND, yellow: PWM, green: temperature signal) Wavelength: 405nm Radiator size: 30*60mm Material: copper + aluminum Weight: 121g Drive position: built-in Is the power adjustable: PWM can be adjusted Drive protection: surge protection, overvoltage protection Input power: approx. 12V280ma (including fan power) Line length: 300mm Control line installation method: split type Fan size: 30*10mm Fan speed: 10,000 rpm Controllable temperature: less than 60 degrees Celsius Focus range: 5-50mm Best focal length: 10mm from the light exit Safety Warning: Please apply this module under the premise of safety protection! Recommended application machine: NEJE Master packing list: 1 x module 2 x screw 2 x gasket