ADT Brite-Sign Solar Security Light Limited Time Offer - Lowest price ever! Pricing of $10.39, reduced from $15, good through the end of November only! Easily attaches to ADT yard signs (no tools required). Please note that the ADT yard sign is not included. Turns on automatically each night and recharges during daylight hours Provides up to 8 hours of illumination each night Includes a rechargeable AA battery that lasts for up to 1-1/2 years