Leviton 3 Amp, 125 Volt, Single-Pole, Doorjamb with Jamb Box Switch, Single Circuit Momentary, Normally ON, Commercial Grade, Brass, 1865;

Add convenience while saving space and hiding an unsightly switch by replacing it with one in your doorjamb. This commercial grade doorjamb remains hidden and will automatically turn on and off when you open and close your door. Perfect for a closet and other installations where light is needed only when the door is left open. With an easy two wire setup this switch is as simple to wire as a normal light switch. This is the only doorjamb switch that meets UL requirements and with the Leviton name you can be confident of its high quality.