Crafted from tough, durable acrylic, this Christmas LED decoration is weatherproof and water-resistant, perfect for both indoor and outdoor use. The 5-pack of string lights shines with a flickering candle effect that adds cozy charm. Powered by batteries, these 30 cool white LED candle lights feature a clever 6-hour on/18-hour off timer, so you can enjoy fuss-free festive glow. No wires or plugs needed , just place them anywhere for safe, energy-smart holiday sparkle inside or out! - Marco Paul 5pc LED Flickering Candle Christmas Lights in Red