Ecliptic Tunneling Device

"The Ecliptic Tunneling Device nothing like the Aperture Science Handheld Portal Device."

- Hint

"Tunnels are not portals."

- Hint

Information
The Ecliptic Tunneling Device is a quantum-tunneling weapon manufactured by Ecliptic Industries. The device is evidently used by test subjects, notably by Miles throughout Tunneler.

Trivia
Ecliptic Tunneling Device is not waterproof.