High luminous efficiency, long lamp life Application: hotel, office, meeting room, restaurant, etc. LED BULB LIGHTModelVoltWattColor TempLumenWork TempHQ-SP-B- ... Aluminum structural design, so that the heat of LED light source can be well managed.3. PC cover with ... other such indoor scenes.4. High luminous efficiency, long lamp life, low power consumption, environmental friendly. Application: hotel, ...