Even if you switched to a digital camera decades ago, Mini LED light from TTArtisan It's a fun reason to carry a film cartridge. Instead of a roll of 35mm film, there's a rechargeable battery and a set of 15 LEDs. It's not the brightest camera light you can buy, but it's also only $7.
With only 250 lumens of illumination, you'll need to place the light 3 meters away from your subject for it to be really useful. But for comparison, you can buy 18 of these for the same price as one 400 lumen light. Lume Cube LED Lamp.
The Mini LED Light’s 300mAh rechargeable battery will keep it powered for up to 180 minutes, and TTArtisan has even included three color temperature settings: 6000K (cool), 4500K (neutral), and 3000K (warm). Its 95+ color rendering index is surprisingly accurate for such an inexpensive light. An included magnetic cold shoe allows the light to be mounted on a camera, and it comes in a small, matching cardboard box that looks like the kind used to ship 35mm film. (It also has a hole for your lanyard.)
