... color rendering Half spiral energy saving lamps1)High luminous effciency, Up to 80% energy saving2)Excellent color renderingT3 halfspiral energy saving ... 8000-10000hrs1)Quick start, no flick and soft light.Starting warm-up and restarting instantly in low temperature and low voltage condition2 ... Effciency:CFLs are four times of more efficiency and last up to 10 times longer than incandescent lamps.A 22w ...