Red Yellow Green USB Status Light

This compact USB-powered status indicator light measures approximately 7.5 cm in diameter and weighs 120 g. It is constructed from matte-finish ABS plastic with a frosted LED diffuser panel. The device draws power exclusively via USB (5V DC), requiring no batteries or external adapter. It features a fixed three-colour LED system — red, yellow, and green — with no adjustable brightness or colour temperature settings. Installation is tool-free: it mounts easily on doors, monitors, or desks using the included adhesive pad or optional clip (not included). Designed for silent, non-distracting operation with no audible feedback or moving parts. The light functions as a visual occupancy and availability signal using intuitive traffic-light logic: red means 'do not disturb', yellow indicates 'busy but interruptible', and green signals 'available'. Its ambient glow provides soft, even illumination suitable for desk or door mounting, supporting both functional communication and subtle room ambiance. Ideal for remote workers, students, streamers, and gamers working from home offices or shared living spaces. Used on a closed office door, it prevents unwanted interruptions; mounted on a monitor, it gives real-time status to housemates or family without verbal cues — especially valuable during calls, focused study, or live streaming.