Keep your holiday lighting and lamps in sync with our 24-hour electronic mechanical countdown timer. Featuring two grounded outlets and a 2-conductor 120V AC plug this timer allows for up to 24 on/off settings per day programmable in convenient 30-minute intervals. Say goodbye to manual switching and hello to hassle-free automation. Product Features: Indoor Christmas light timer Automate holiday lighting and lamps Up to 24 on/off settings per day repeats daily Programmable in 30 minute intervals Two grounded outlets 2-conductor 120V AC plug For indoor use