Browse light meanings by device type

Choose the kind of device first, then narrow by brand, color, pattern, and warning type.

Showcase of common devices with colored status and warning lights

Routers and Modems

Browse blinking, flashing, red, orange, green, blue, white, and internet status lights on routers, modems, gateways, and mesh Wi-Fi systems.

11 guides

Printers

Browse warning lights, paper lights, ink lights, toner lights, drum lights, Wi-Fi lights, and alarm flash patterns on printers.

9 guides

Alarms and Detectors

Browse smoke alarm and carbon monoxide detector lights, including red, green, yellow, low battery, alarm memory, and end-of-life indicators.

14 guides

Smart Home and Security

Browse smart home and security camera lights for doorbells, cameras, thermostats, smart plugs, smart bulbs, and connected hubs.

11 guides

TVs, Streaming Devices, and Game Consoles

Browse blinking and solid lights on TVs, remotes, streaming devices, game consoles, controllers, docks, and entertainment gear.

4 guides

Appliances and Home Devices

Browse appliance lights for dishwashers, washers, dryers, refrigerators, filters, locks, vents, and home device warnings.

9 guides

Vehicle Dashboard Lights

Browse dashboard warning lights including battery, oil pressure, brake, ABS, traction control, airbag, tire pressure, and temperature warnings.

5 guides

Laptops and Computers

Browse laptop and computer lights including charging lights, power lights, battery indicators, and diagnostic blink codes.

10 guides

Chargers, Batteries, and Power

Browse charger, battery, power bank, surge protector, and power strip lights, including red, green, blue, flashing, and safety warning indicators.

2 guides

Medical Devices

Browse general home medical device indicator lights, including CPAP warning lights, battery lights, and power indicators.

Why device type matters

Light colors are not universal. A red light on a smoke alarm, router, car dashboard, charger, TV, or laptop can mean completely different things. Browsing by device type helps you avoid mixing up normal setup lights with warnings that need attention.