... efficacy,100-110LM/LED 4. 50000h life high power led cabinet lamp Parameter Model No.HDX-CW-1620Beam angle30/60/90/120 degreeWattage16*1WLED ... life span that more than 50,000 hours.2. 70-90% energy saving than traditional lamps.3. Good quality aluminum lamp ... lighting.3. School, hospital, office, meeting room, residential area lighting.4. Bar, restaurant, hotel bedroom, dining room, hall and lobby ...