Custom Delayed Playback Device

I want a device with a Video Input & Video Output Which Can Be Placed Between My Set-Top Box & TV, Device should auto record video & auto playback with predefined delay like 2-5 minutes late on my TV. After playback it can delete old data so that no long buffer needed, maybe it's called Chase Play Mode. Please Bid if you can deliver project withing a week & Write NoAuto in your bid so that we'll know you read details and it's not spam.