Most lamps and Edison-style bulbs in these listings use the standard Edison Medium Screw base (E26).
Most table lamps list a 60-watt maximum for standard sockets. One torchiere floor lamp is rated for up to a 150-watt 3-way incandescent (or equivalent 3-way LED).
Most listings state bulbs are not included; one table lamp explicitly includes a single LED bulb.
Options include warm soft white (about 2700 K) and full-color RGB bulbs that offer 16 colors plus two white-temperature choices.
In the listings, the incandescent example is shown at about 40 watts with an estimated lifespan around 1.4 years, while the LED example is about 9.5 watts with an estimated lifespan around 13.7 years. These figures come from the product listings and can vary depending on usage and specific bulb models.