LampLust 60 Foot 200 LED Color Battery Operated Connectable String Lights with 8 Functions & Auto Timer Description: Set Includes 200 Multi Color LED Holiday String Lights with 1 D-Battery Box. Great for Holiday, Landscape, and Home Decoration! Functions: Located on the Battery Box is a small functions button. Push function button to choose from the eight lighting options: Combination, In Waves, Sequential, Slo-Glo, Chasing/Flash, Slow Fade, Twinkle/Flash, and Steady. Timer: These lights function on a 6 hour Auto Timer. The lights will shut off automatically after 6 hours of use. The lights will then automatically turn back ON at the same time the next day. The cycle will repeat daily until the lights are manually turned OFF. Connect: Connect up to 2 additional (200 LED) strands for a total of 3x200 LED Strands OR 600 LED lights. ** Additional Sizes: Try our 100 LED Multi Colored White Christmas String Light ASIN: B00FQMYNS2 Battery: Each Battery Box requires 3 D Batteries (Not Included). Technology: Cool to the touch even after hours of use. LEDs will not get hot and last over 10,000 hours. These lights are Pet and Child friendly. Suitable for Indoor or Outdoor use. These lights are water resistant and are made to withstand diverse weather conditions. Note: These lights are not submersible. Warranty: LampLust is looking out for your satisfaction. If you have any questions, issues, or concerns please contact us and we would be more than happy to assist. These lights have a 30-day warranty Battery Box is Equipped with a Timer Feature. No Tools Needed (only 1 screwdriver to open the battery box). 8 Different Light Modes.