Check the listing for details. Fixed-focus 80W Engraver Module PWM TTL CNC Laser Module Head with Air Assist. Condition: New. Listed at 236.99 USD. 80W Laser Module Head Focal Fixed 450nm Blue Light Module for CNC Laser Engraver Cutting Engraving Machine Wood Tools Module Features：- Designed for Laser Engraver, 3D printer, CNC Mill, DIY Engraving and Cutting. It's compatible with CNC machines, such as 3018pro, 3018max, 3018plus, Reizer, Reizer Mega, Masuter, 3018-SE V2, LE-4040, LE-4040 PRO, 4040-XE and Vasto.- Fixed Focus, no need to focus, easy to use.- Can engrave stainless steel directly.- Can cut 8mm Plywood by one pass.- Engravable Materials: MDF, Balsa, Paper, Wood, Fabric, Plastic, Leather, Plywood, Foam Paper, Anodized Aluminum, Stainless Steel- Cuttable Materials: Cardboard, Non-woven Fabric, Plywood, MDF, Acrylic, some thin plastic boardGeneral Specifications:Model：K40B80WHeatsink Material：AluminumLuminous Color：BlueHousing Size：40mm x 40mm x 70mmCooling Mode：12V 10000 rpm 40mm cooling fanOptical Lens：φ10 Glass LensTTL&PWM Modulation：YES, Compatible with Both TTL & PWM ModulationWire Rod: 22# 2P2.54 Terminal Reverse Wire 80mmProduct Net Weight: 240g Focus Length: 40mmTechnical Parameters：Electric Power：36WOptical power output：10W Effect power output: 80WLaser Wavelength：450-460nmBeam Shape：Dot ( Not Focusable )Operating Voltage：DC 12VWorking Current：3APWM/TTL Input：DC3.3V-12VInput Interface：PH2.0-3Pin (+,-, PWM/TTL)Safe temperature range：