... 180 degree 3.IP54 outdoor 4.3 years warranty MINI infrared motion sensor light withDIP LED 4W,198-242V AC,CE/ROHS,OUTDOOR ... . As solid state lighting, switching frequency has nothing to do with the led lifespan, without flick or delay, no warm up ... , can work under low voltage, the brightness will not change with voltage fluctuation.4. Great color rendering, color presentation is more ...