10 Pack White 3/4″ Recessed Button Switch Ball Window Door Alarm Contact Sensor
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Used for protecting sliding doors and windows where space is limited Rollerball plunger travel is 1/4″ (6mm) 360 degrees roller ball 18″ (46cm) leads White Color Package of 10 Product Features Plunger style contacts Perfect for doors or windows No magnet