Use PROMO CODE: 6LBK7YY4 to get them for $6.5 ,If you have prime, you get free shipping.
Description from Amazon:
Upgraded Solar Panel -- Less charging time and more working time,full charged for 4-8 hours will work for 8-15 hours. The upgraded button is more sensitive and more convenient to use !
Money Saving -- The solar string light is charged by sunlight, there is No electricity cost, no battery replacement.
Water Resistant -- IP65 rating, could be used indoor and outdoor.Decoration for your garden, patio, lawn, Christmas trees, party, wedding, etc.
Automatically On/Off -- The lights will light up automatically at dusk and turn off automatically when ambient light is too strong.(Press the power button to ensure the solar string lights is turn on)
8 Modes for choose -- 7 flash modes and 1 steady on mode.