Plug it into your car's USB port, insert a film chip, twist to focus, and it projects a scary face onto your window. Swap chips to change the face.

Yes. It works with any standard USB port. No USB port? A cheap USB car adapter works too.

No — it needs darkness. Use it at night for the face to show up clear and crisp.

Completely. It's low-power, USB-powered, and just rests inside — no wiring, no installation, no damage.