Download this free CIO Playbook to learn how advanced human resource management can make your HR a strong, competitive differentiator.
sentry (plural sentries) 1  A guard, particularly on duty at the entrance to a military base. ( 2 uncountable) Sentry duty; time spent being a sentry. ( 3 nautical) A form of drag to be towed underwater, which on striking bottom is upset and rises to the surface.
Primarily designed as an aide for professional gamers and game streaming, the SteelSeries Sentry is an eye-tracker that you can use with monitors and laptops up to 27-inches, as long as they have a USB 3.0 you can use.