Yes that's close. Just make sure it will handle your watts. If you have alot that comes on at the same time like say 3 or 4 1000HPS. Slowes or home depot has timers for water heaters and such. You have to get some wire and male ,female ends to put on the wire. Maybe some thing for electriction. You should be able to find a small one that will work. Just tell them your going on vacation and want your lights to come on at night to look like some one is there.