Our product is a small yet effective alarm used to scare off small children and dogs from cupboards that they are not meant to be in. The alarm is a motion sensor so when you open the door a high pitch loud noise plays until it can detect no movement. You can adjust the pitch to however you like. The alarm cannot sensor movement through doors so you can walk freely around your kitchen, study etc. without setting it off.
The idea came from a few memories of dogs getting into cupboards and destroying everything inside. We thought that it was a good idea because not only would it alert everyone in the house to what was happening but it would stop them going any further. It could be better because it could look nicer but the materials we have prevent that. It requires very few pieces simply the battery, motion detector, the sound adjuster and the alarm itself.