1.use high quality imported Sansung, Epistar Chip,1 watt per led bead,not like other suppliers pretend 0.5W- 0.7w to be 1W. 2.use Aluminum bulb housing and high thermal conductivity aluminum plate for heat dissipation. 3.For power drive , we choose IC isolation capacitance,it makes safety when people touch led bulb in safety voltage range. 4.For power source,we use high quality precision constant current sources,it provides constant current through the LED whatever voltage change to ensure life and LED light efficency.So we can guarantee 2years long life and 2 years warranty . 5.All these products have been CE and RoHS approved. 6.No plug,this product is in use when in need of a switching power supply, it itself is not to bring a plug, we can see it has 2 wire, a red and a blue, they don't have to distinguish between + -, can any links in the switch power supply wiring.So, we don't have to worry about connection errors.At the same time, it is the 12 v voltage output, to ensure that it is absolutely safe, in the process of installation can be at ease use.
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