IDEAL LIGHTING: Provides the right amount of glare-free lighting to guide you in the dark. AUTOMATIC ILLUMINATION: Automatically turns on only when ambient lighting becomes insufficient. ENERGY EFFICIENT: Requires less than 30 cents a year to operate. Based on 12 hours of usage per day and 0.11/kWh. COMPACT SIZE: Does not obstruct the second outlet. WHAT YOU GET: 4 x Lumi Plug-In Night Lights, User Manual, Happy Card, 18-month warranty.