b'1. AC/DC USB CHARGING, LONG CABLE - Bulbs with a built-in rechargeable battery, can be charged by solar panel with an original long cable, with USB cables by phone adapter, Car, power bank, etc. the rechargeable home solar system offers a less costly way to light your home, compared to electrical power.2. MULTI-FUNCTION POWER OUTPUT: Charge your phone or other devices anywhere with this multi-function power output.3. PERFECT SOLAR BULBS: High-bright bulbs with tough hooks make it easy to hang on the top hooks, and powerful bulbs give you extra brightness.4. CONTROLLER BOX AND PORTABLE FAN: The controller box has a rechargeable battery inside. The indicator light on the box shows the amount of power stored. A green light means the battery is close to full power. A flickering red light means there is little or very little power left. It includes side LED lights for easy use when needed. Take any you like.'