
As others have said, they each require 4 AA batteries. Both flicker constantly, so if you've ever had a seizure, don't use them. They are also good for just one application, 20 minutes to an hour. Once they burn out, they stink and your room will smell for hours. Terrible product.

20 Pack 5CCT 4FT LED T8 Ballast Bypass Type B Light Tube, UL/FCC Certified - 18W, 2300Lm, 3000K-6500K Selectable
21 Review

Luminescent lamp Camelion 11066 ultraviolet, E27, 26 W
12 Review

Set Of 4 Geeni Prisma Wi-Fi Multicolor LED Light Bulbs, 1050 Lumens, 2700K, Dimmable, No Hub Required, Compatible With Alexa And Google Assistant, 75-Watt Equivalent
41 Review

Lamp LED Ergolux 13638, E27, A60, 15 W, 4500 K
12 Review

π‘ Philips 230425 Energy Saver Compact Fluorescent Non-Integrated 26W PL-C Soft White 4-Pin Base Bulb - Discover Efficient Lighting Solutions
5 Review

π F10T5-3000K Warm-White 16.5 in. - 10W T5 Fluorescent Tube, Warm White Color
8 Review

Sylvania 20318 Compact Fluorescent 4 Pin Single Tube 4100K, 13-watt: Efficient Lighting Solution for Any Space
10 Review

π‘ Energy-Saving T2 Spiral CFL Bulb, 5000k Daylight, 23W (100W Equivalent), 1520 Lumens, E26 Medium Base, 120V, UL Listed - Pack of 8
7 Review