Coming with 2 LED bulbs, this flashlight is powered by hand! Just press the button with your hand repeatedly to generate electricity, the electricity will be stored in this flashlight. Press the handle for just 1-2 minutes and it will give you approx. 30 minutes of non stop light. This eco-friendly product is ideal for hiking, camping, night events, and outdoor use. Assorted colors are available. Imprinting size can be 2" x 1-1/4".