... protect eyesight.5.High intensity, high lumen output, low cost, low heat out put 6.Large area irradiation and ... IC chip, ST mosfet, negative temperature coefficient magnetic components.11.No stroboscopic, anti-glare, low-temperature start, wide voltage protection, electromagnetic ... conditions:Delivery time 3-10 daysSample free offerPacking:1pc/box,50 or 100pcs/carton with foam protectivePayment:TT,LC ...