... whie /three-color YR-821WFlex 12 volt led light strips Advantage 1 Energy saving: The LED is of high luminous efficiency, consumes only ... uitraviltel readation, no harmful metal mercury.3 Easy installation, perfect for househould use.4 Small volume, light, thin, Softness is high, ... 100-500pcs 10days, 500-1000pcs 15days 3. Sample can be delivered in 3 working days. 4. Shipping freight are quoted under ...