Farmunion 28 LED 3 Modes Clamp on Lazy Men Bed Table Desk USB Light Lamp for Reading Study 28pcs super bright LED bulbs,With 50,000 hours lifetime 3-step brightness adjustable:4LED/16LED/28LED Flexible and swivel metal neck Clip-on table/desk/bed and grill Perfect for home use, camping, BBQ, and other outdoor activities