Features: 
wavelength: 405nm 
Output power: 500mW 
Supply Voltage: 12V 
Operating Current: 210mA 
Spot pattern: dot 
Output band: visible light 
Material: Aircraft Aluminum 
Optical components: focusing lens 
Operating temperature: -40 ℃ -75 ℃ 
Working medium: a semiconductor 
Working life: 10,000 hours 
Dimensions: ∮33MM * 55MM DC 
Cable length: 1.2 m (focusable) 
Structure: Aluminum alloy shell (heat deepen teeth) + Import laser diode + Constant current driver board 

Package: 
1x 12V Focustable 405nm 500mw Ajustable Blue/Violet Laser Dot Module for Carving