4-pack cob led pocket work light - 140 lumen led penlight flashlight with 180° twist magnetic clip | batteries not included alltrolite the all new pocket pen work light is now brighter than ever! now, equipped with new cob led technology, the work light outputs 140 lumens of intense light. the rotating magnetic clip gives you convenient hands-free lighting by attaching to virtually anything. the reinforced plastic body design is water and impact-resistant, making this light basically indestructible. the work light uses a revolutionary new cob led technology that outperforms traditional lighting by up to 50 times the light output per centimeter of light surface.