cob led for downlight/track light

LED lamps are characterized by low voltage and high brightness.
The light emitted by a 10-20 watt LED light source is comparable to the light emitted by a 30-120 watt incandescent lamp.
The lighting effect of LED is more than 90% energy saving than incandescent lamp and 70% energy saving than energy-saving lamp.
It is a real energy saving light source.