Best quality cob 10w 20w 30w cob led chip high power cob for lighting Lamp

①:LED flip chip assembly technology. Good heat dissipation effect, higher light output rate, long life ②:High brightness, our led chips are bigger than others ③:Smart IC Fit NO Driver

④:Constant current and constant power control

⑤:NTC sensor for pcb overheat protection

⑥:Voltage-regulator for ic vdd protectio

⑦:Driver IC, over voltage and over current control

⑧:It can use led dimmer or SCR dimmer to dimming it

⑨:MOV for surge protection>4000V passed ⑩:1000V Bridge rectifier