ceiling light grid panel 1.50,000h high quality SMD3528 2. ... system, with the latest high efficiency constant currency driver, making the products can work under unstable voltage.6. Long ... span, more than 50000 hours. Trade Terms:1. Payment: T/T , 30% deposits before production, 70% balance to be paid ... for your unique design and some our current models ceiling light grid panel 10w 152pcs smd3528 round