Item Type: Laser Engraving Cutting Machine_x000D_Engraving Size: Approx. 255 x 440 mm / 10 x 17.3 in_x000D_Plug Specifications: AC100-240V, 50/60Hz_x000D_Model: N40630_x000D_Heat Sink Material: Aircraft Aluminium, brass shell_x000D_Luminous Colour: Blue_x000D_Sectional Size: Approx. 40mm x 40mm / 1.6 x 1.6 in_x000D_Heat Dissipation Method: Temperature sensor intelligent control, 10000 rpm 40mm cooling fan_x000D_Size: Approx. 60 x 40 x 40mm / 2.4 x 1.6 x 1.6 in_x000D_Can Be Engraved: MDF, Balsa, paper, wood, fabric, plastic, leather, plywood, foam, anodized aluminum_x000D_Can Not Carve: metal, glass, stone, ceramic, PCB, stainless steel, reflective materials, transparent materials_x000D_Light Power Output: 5.5W (5500mW)_x000D_Input Power: 30W_x000D_Wavelength: 450nm_x000D_Beam Shape: Dot (Focusable)_x000D_Operating Voltage: DC 12V_x000D_TTL and PWM Modulation: Support, compatible with TTL and PWM modulation_x000D_Input Voltage: DC12V 3A_x000D_PWM/TTL Input: DC3.3V-12V_x000D_Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-)_x000D_Note: The temperature interface can be disconnected_x000D_Drive Method: External ACC_x000D_Safe Temperature range: