... Fashionable and profession design for saving storage space.2) Machanical switch buttons, easy to use.3) 0-180° ... max)Luminousity: 500lm CCT: 2700-7000KCRI: >80Material: aluminumWarranty: 2 yearsLifespan: >50000 hoursCE,RoHS CertificationsApplications:1. Reading, writing, ... design,computer operation,documentation in office, or home lights.2. Meeting, office welfare, opening ceremony, move, foreign ...