OXO Candela Guardian Nightlight - Power gone, lantern on. The Guardian™ is two lights in one – the charger has an integral EL panel that's always lit, and the lantern is portable and illuminates instantly when lifted and during power failures. The Guardian is always ready when you need it; fusebox searches, late-night feedings... and it stands with upright readiness to be at your fingertips.8 hours of illumination after a full charge Cordless and portable for maximum flexibility Charging hub serves as a nightlight Auto-illuminates when removed from the charger and charges automatically when replaced Includes an on-off switch Not a fire hazard and cool to the touch Reusable, durable and sustainable LED lights are long lasting and economical LED technology eliminates the need to change light bulbs for the life of the product