The outdoor Christmas lights have 8 different light modes: Combination, In waves, Sequential, Slo-glo, Chasing/flash, Slow fade, Twinkle/flash, Steady on. 4 level brightness adjustment (100%, 75%, 50%, 25%). Open the timer function, string lights will be 6 hours on and 18 hours off. This fairy string lights plug in can be applicable to US standard outlet. 29V low voltage, it will keep at low temperature after a long time using, which is safe to use without worry.IP44 waterproof level, can be used indoor and outdoor, even if it rains or snows suddenly, it can be used normally. The packaging of our LED string lights plug in is independent 4 rolls bundled into a large roll, easy to install. Our customer service team will help you within 24 hours. Seasons By CCM offers all the products you need no matter the occassion. Providing one of the fastest response times in the industry. Please note that we respond to all messages within 24 hours. Any product you return must be in the same condition you received it and in the original packaging. Please note that all perishable foods are always packaged in a new sturdy corrugated box and are delivered to our customers before the expiration date. We usually respond within 24 hours on weekdays. Thank you for shopping at our store. This item is in the category "Home & Garden\Lamps, Lighting & Ceiling Fans\String Lights, Fairy Lights". The seller is "seasonsbyccm" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South Africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Republic of Croatia, Malaysia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam.