WOOSKY Waterproof Decorative Chrismas Laser Light Red and Green Landscape Spotlights for Garden/Yard/Wall Family Party outdoor laser light SY-RG601 Light On/Off Automatically And Energy Saving: Built in light sensor ,outdoor lights turn on/off automatically itself according to the light intensity.Besides,this laser light costs much less energy than regular string lights. The laser Christmas light can be used in the cold weather,you should first note do to Preheat the lights.Just let it on about 5 minutes or more as the cold temperature,than it will work normally. Premium Quality And 12 Month Warranty :FDA/FCC/CE approved ,The laser lights is safe to use and environmental. Any problem about our decoration lights will be solved when you contact us.1 Year Warranty if any quality issue we promise.Do not let strong light directly to sensor on the back of the laser light. Waterproof And Coldproof:This decoration light with waterproof IP65 rated makes it safe weather resistance used in snowy or rainy day .Working temperature from -26C (-15F) to 32C (90) to reduce lights failure and the harm caused by hot start up. Please use the correct socket and line to meet the voltage or others parameter on the plug we offer. Broad Application : The lights cover up to 2,100 square feet from a distance of 25 feet. Indoor and outdoor are available, ideals for party and holiday entertainment,landscape decoration.also perfect for the disco, night club bar, KTV etc. No Bullet points has been entered by primary contributor.