The original 2 color moon lamps only work once unplugged as they are charging while plugged. However we have different products that will stay lit even while plugged:- The 16 color moon lamp: https://www.theoriginalmoonlamp.com/products/the-original-16-colors-moon-lamp- The 16 color love you moon lamp: https://www.theoriginalmoonlamp.com/products/16-colors-love-you-to-the-moon-and-back- The original Wireless Bluetooth Speaker Moon Lamp: https://www.theoriginalmoonlamp.com/products/the-original-bluetooth-speaker-moon-lamp%E2%84%A2- The levitating moon lamp: https://www.theoriginalmoonlamp.com/products/original-levitating-moon-lamp- The hanging moon lamp: https://www.theoriginalmoonlamp.com/products/the-original-hanging-moon-lamp- The 16 color hanging moon lamp: https://www.theoriginalmoonlamp.com/products/the-original-16-colors-hanging-moon-lamp%E2%84%A2- The table moon lamp: https://www.theoriginalmoonlamp.com/products/original-moon-table-lamp- All the 16 color planet lamps