The brass T3-DV2S-2B 3.5" HDMI Square Table Box with 2 Buttons and 2 LEDs from FSR is a square table box that provides convenient external display and AC power access for a computer or laptop. The keystone area features an HDMI connector and two blank keystone openings for snap-in connectors (sold separately), as well as an AC power plug. The table box has two buttons and two LED lights. The buttons have various functions, such as turning on/off the microphone, and the LEDs indicate when those functions are active.