... for the use of warning on highway when emergency happens.3. Rechargeable, with charger (travel charger and vehicle-bone charger ... used in warning, field, traffic tools maintenance emergency, bicycles, camping and blackouts emergency light source.Instroductions:There are 3 modes for ... rubber undercarriage, cylinder, box, cartonPictures: Certificate: 2013 new product Rechargeable Portable led light