USB Rechargeable LED Bulb Portable Colourful Light for Camping Party Reading with Metal Hook Can Hang on Anywhere

Qihui Lighting is a manufacturer dedicating to LED lighting equipments for more than 8 years. USB Battery backup light bulb is widely used in home, office, garage, warehouse, garden and outdoor activities, such as party, camping, reading etc. It's a perfect combination of regular led bulb and power outage lights. It' with a metal hook which can be hang on anywhere you want. All of our products are with 3 years warranty and lifetime technical support. USB Rechargeable LED Bulb Power: 5W Input Voltage: DC 5V USB Lumen?490lm (40W Equivalent) Battery: rechargeable li-ion 2200mAh Backup time: 15 hours Charge time: 12 hours Product Dimensions?H120mm x W60mm Light color: Netural white 4000K Brightness: 100% - 50% - 30% - flashing How to use the usb rechargeable led bulb ? a. Press the switch to adjust the brightness: Press 1 time: 100% brightness; Press 2 times: 50% brightness; Press 3 times: 30% brightness; Press 4 times: flashing mode; Press 5 times: Switch off. b. Charge LED bulb with USB cable: Connect LED bulb to any DC5V adaptor or power bank by a Micro USB cord. LED indicator shows the charging status clearly: LED indicator blue = charging; LED indicator Off = charged full.