How Bright is 400 Lumens? Your Lumens Brightness Guide
Allty 400 small bike light, 400 lumens max for commuters and students
T5 Integrated LED Light Fixture - Multipurpose Linkable Linear Light - 400 lm/ft. | Super Bright LEDs
IKEA 103.658.34 Ledare Led Bulb E17 Reflector R14 400 Lm, Warm Dimming Dimmable - - Amazon.com
400 Lumen Flex Flashlight - Cyclops
Amazon.com : OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Bike Front Light, IPX7 Waterproof Bike Headlight for Road Urban Cyclists : Sports & Outdoors
NITECORE UT05 400 Lumen Waist Belt Running Light
Hampton Bay Madison 3 ft. 4 Light Rubbed Bronze LED Fixed Track with 400 LM/Head 1000027274 MADF4400L30RB - The Home Depot