Generic TB-301S Source Screen Hanging Lamp

Generic TB-301S Source Screen Hanging Lamp (also called Monitor Light Bar or Computer Screen Hanging Light) is a popular budget-friendly monitor-mounted LED lamp. It clips onto the top of your monitor to provide downward-biased lighting on your desk/keyboard area while minimizing glare and reflections on the screen.

Key Specifications

• Size: 50cm (about 19.7 inches) length — suitable for most 24–34 inch monitors.
• Power: 5W, USB-powered (5V/1A) via USB-A or Type-C.
• Light Source: LED (typically 2835 chips), asymmetrical optical design that directs light downward and forward, avoiding screen glare.
• Color Temperature: Usually 3 modes (Warm ~3000K, Neutral ~4000K, Cool ~6000K).
• Brightness: Stepless dimming or multiple levels via touch controls.
• Features:
  • 60-minute auto-off timer.
  • Touch-sensitive controls (on the side or end).
  • Zero flicker / no video flash for eye comfort.
  • Color Rendering Index (CRI): Around 85–90+.
  • Luminous flux: ~200–256 LM.
• Material: ABS plastic + metal + acrylic diffuser.
• Mounting: Clamp-style hanger that grips the top edge of the monitor (anti-slip).

Main Benefits

• Reduces eye strain during long work/gaming sessions by balancing ambient light with screen brightness.
• No glare on screen thanks to the asymmetric light design.
• Easy to install — no tools needed.
• Compact and lightweight.

Pros

• Excellent value for money.
• Good for productivity, studying, or late-night gaming.
• Simple, reliable operation with timer function.
• Works on flat or curved monitors (check clamp compatibility).

Cons & Considerations

• Basic build quality (typical for generic/Chinese brands) — plastic feels lightweight.
• Limited to 3 color temperatures (not fully stepless like premium models such as BenQ ScreenBar).
• Brightness may not be sufficient for very large desks or very bright rooms.
• Clamp grip varies by monitor thickness — best on thinner bezels.
• No RGB backlighting in the standard TB-301S (some variants like TB-301SF/SG add it).