Note:1. The sockets are waterproof. During installation, please make sure the bulbs are secured tightly and securely into their sockets.2. The switch behind the solar panel can be used to turn on and turn off the lights by physical control. When the switch is on, the solar panel will automatically charge during the day, and the string lights will automatically turn on during night.3. You can use the Foxlux solar string lights without batteries however they are always there as a standby for rainy season usage.Input Voltage: 3 V DCSolar Panels: 5 V/3000 mAWire Length: 48 ftBulb Spacing: 3.2 ftBulb Quantity: 16 bulbs (1 spare)Socket: 15 E26 hanging socketsRated Average Life: 25000 hoursLight Color: 2200K warm cold lightWHAT'S IN THE BOX?Warm and cold LED Bulbs ×16 pcs (1 spare)48 ft string lights with 15 sockets ×1Solar panel ×1Paper instructions for easy setupFoxlux's Purpose: Foxlux is a US-based family business that got started because of a need for creative, timeless and fun lighting, for your home or office. We offer you the kind of fixtures and lights chosen by professional designers and decorators because we think that everyone should be able to enjoy lighting that's as beautiful as it is functional, indoors or outdoors. From bright, architectural floor lamps for any room, to glowing strings of delightful vintage bulbs creating a magical ambience for your patio, Foxlux lights your way.The Strongest and Biggest Manufacturer of LED string lights: Foxlux is an industry leader that offers the strongest and most energy efficient lighting on the market. Our LED light bulbs use less energy, have a better quality light distribution and have a longer lifespan than traditional bulbs so that you can help save energy.