Good photochromism,long service life ,Ra=65. Compact appearance,be suitable for apply with small lamps and lanterns. Good photochromism,long service life ,Ra=65.Compact appearance,be suitable for apply with small lamps and lanterns. Average life:8000hours.Colour temperature include 3k,4k,6k etc.Lampholder:E27/E4070W: Operating current(A):0.90 Operating Voltage(V):80±10150W: Operating current(A):1 ...