Battery: 2100 mAh lithium battery(Included)

Condensation does not meanthat a headlight assembly is defective

Distance between O-rings: 2 1/2 inches

Impedance: 50Ohm

wound into a spiral

V8.5 EXP GDC PCIe PCI-E PCI Laptop External Independent Video Card Dock GY6 Battery: 2100 mAh lithium battery(Included)EXP GDC is a NOTEBOOK external ie adapter equipment, including power and other necessary accessories. ie card to buy.(sn: use its notebook display need laptop comes with (R) HD ie and connected above GTS450 as ie. Otherwise you need external monitor.)Specification: Support for PCI E X16, the actual X1 mode (according to different notebook configuration can be upgraded to X2 mode)Colour: BlackMaterial: PCB + sub chocolateProducts: Notebook PCI E