Lamp parts:3-level 4-wire touch switch that (once installed) works by touching any metal on your table lamp (including the harp or saddle). These measure 1 1/2" x 2" and are 3/4" tall and are rated 150W-60Hz, 120VAC. Indoor useonly. 3 levels: low,medium, high, then off. Some assembly required, but it does come with directions. Will not work withfluorescents or LEDs- strictly for incandescent use only. Scroll down for instructions.We can combine with other items to save shipping. $7.66 each.Shipping is $2.84 for 1 and $.25 for each additional piece.Combined shipping- to get cheapest shipping costs (when buying different items)please buy what you need (WITHOUT SHOPPING CART) and “request invoice” (BEFORE YOU PAY)so we can send invoice with lower shipping costs.SHOPPING CART DOES NOT SEEM TO WORK FOR COMBINED SHIPPING.Ifreplacing and old switch DO NOT assume colors will match.Pleasefollow directions: -Yellow to base -Red to one wire from plug and light -Black to other wire from plug only -White to other wire from light onlyTexasLamp Mfgs, Inc