EXPECT THE UNEXPECTED: Prepare for unexpected power outages with the NEBO BLACKOUT BACKUP EMERGENCY BULB, a game-changer in home lighting solutions. This ingenious LED bulb doubles as a standard light source and a reliable emergency light, effortlessly fitting into most lighting fixtures providing 12 hours of light OPERATION: Installing the bulb is as simple as twisting it into your light socket. When powered, it operates in a Fixture High Mode, emitting a brilliant 850 lumens. In an outage, switch to the Backup Mode and choose between Backup High, Medium, or Low, providing 500, 185, or 80 lumens VERSATILITY: This energy-efficient marvel uses a mere 8 watts, making it a perfect replacement for your 60-Watt incandescent or even CFL bulbs. The bulb comes with a power cap, transforming it into a portable handheld light LONG LASTING : 12 Hour Runtime ensures your home is illuminated until power is fully restored NEBO: Providing take-charge people with innovative lighting products that consistently deliver on the promise of value and performance