Kitclan 20ft 30LEDs Solar Outdoor String Lights - Multi-color Water Drop String Lights, Christmas Waterproof Lights for Yard, Garden Patio, Lawn, Christmas Tree, Party, Porch 20ft Long Solar String light:Long string which is about 20 foot long with 30 bulbs on it. The bulbs are like an elongated rain drops or tear drops. LONG TIME WORKING: The lights will last about 8 hours on a full day of sun to charge the solar device. Easy Switch: There are 2 settings, mode awitch (steady on & flashing) and an on/off switch. WEATHER RESISTANT: This string light is waterproof and can be placed outside without worrying about bad weather ruining them. FRIENDLY CUSTOMER SERVICE: Any questions or if there is any problem with this product, you are welcomed to contact Kitclan, and we are ready to respond within 24 hours.