Why do you choose our solar string lights?Solar Powered, No Additional CostAutomatic Switching60 Super Bright Solar LED Ball LightsPortable and Easy to Set Up8 Lights ModesIP65 waterproofCompletely New Upgrade1. Our solar light bulb uses a large-capacity 1200Mah lithium battery, which is different from the traditional Ni-MH battery, which improves energy efficiency and the lighting time is seven times longer than before.2. Using remote control, 8 different lighting modes can be adjusted by the remote control within 5 meters, including the combination of Wave, Sequential, Slo Glo, Chasing, Slow, Fade, Twinkle and Steady On.3. IP65 waterproof rating, outdoor solar string lights can be used in all kinds of weather, including heavy rain and snowNote:1. The bulb is designed as a non-replaceable bulb. Do not try to replace any bulbs.2. It is recommended to fully charge the solar panel for 6-8 hours during the first use, and keep the surface of the solar panel clean and not covered.3. In order to maintain a long service life, please do not immerse the lamp in water.4. Make sure to turn the light switch to the "ON" state; otherwise, the battery will not be charged.5. If the ground is too hard, do not twist or hammer the ground forcefully. Try to soften the ground with water and then insert it into the ground. Otherwise, the product may be damaged.SpecificationTotal length: 36ft/11MLead Length: 2M/6.56ftSolar panel: 5.5V 300mACharging time: 4-6 hoursWorking time: more than 8-24 hours if full chargedRechargeable Ni-MH battery:1200mAh