Supereyes DB03 Electronic Microscope Infrared Light for HCB0990, DB031. Wavelength: 850nm 2. Easy to use, just rotate and screw with the front of the lens 3. Scope of application: suitable for HCB0991 digital microscope with standard L10 lens and telephoto L100 lens 4. Good quality and long service life 5. Note: This product needs to be used with HCB0991 products, other products cannot be used Specification: Package Weight One Package Weight 0. 24kgs 0. 53lb One Package Size 18cm * 10cm * 4cm 7. 09inch * 3. 94inch * 1.