The PartyLamps come from left field, pure creativity at play. Partylamps not only make a great decoration but you can also toss them in the water. Your pool party will never be the same. Use PartyLamps on tables, in kitchens, livingrooms, bathrooms, anywhere in sight! Kids love them as night lights. 5 1/2 inches high, Base 1 3/4 inches diameter, Skirt 4 inches diameter. Each PartyLamp includes the LoungeLight™ LED color-changing chip with on/off switch and Color Hold button, and a 4 1/2-volt easily replaceable, patented battery that runs for at least 100 hours. LED Life approx. 100,000 hours.