Charge the bulb by usb cable 4-6h before.
>SUDDEN BLACKOUT: Let Flyhoom USB rechargeable light bulb help you out. 1 Emergency led bulb will lighten up 100 sqft. Easy to hang on or take down anytime.
>MULTI-PURPOSE: Designed with 4 different lighting mode, that meet different lighting requirements. Choose the mode you like via remote or on/off buttom.
>GREAT FOR CAMPER: This led camping light designed with 15 min,30 min,1h and 4h auto off timer set. Nightlight mode UP TO 18 HOURS, good for outdoor camping or home emergency.
Your satisfaction is our #1 priority. 1-year warranty & 30-day return refund guarantee. All Flyhoom rechargeable camping light bulbs are certified by FCC, CE, ROHS, order now.