... Epistar chip 4.Good dissipation, No UV led bulb lighting high power led bulb 3W,warm white/white *About ... 300-320lm15)Warranty :2 years Application1. commercial lighting, supermarket, department store2. hotel, restaurant, hall lighting decoration3. factory, plant, warehouse, office4. school ... hours.2.All your inquireies will be well explained by our experienced staff.3.OEM&ODM,also provide customized ...