... Recessed installation Solid state, high shock and vibration resistant. Specification3W LED Down Light/ LED Ceiling lampEasy Recessed installation80% energy saving over traditional lamps.No flickering ... Qty: 3pcs, 5pcs, 7pcs, 9pcs, 12pcs, 15pcs, 18pcs, 2*3pcs, 3*3pcsLumin: 300lm, 500lm, 700lm, 900lm, 1500lmColor Temperature: 2700K, 4200K, 6500KBeam ...