Feature: 1. 5 Positions: The door switch panel has 5 positions, 5 functions are optional, normally closed, automatic, one‑way, half open, normally open. 2. High Quality: Changeover switch is made of aluminium material, high temperature resistant, anti aging, sturdy and durbale. 3. Excellent Performance: Automatic door switch has good insulation, weatherproof, dustproof, stable performance and high reliability. 4. Easy Installation: Easy to install and maintain, small size, does not take up too much space, and high practicability. 5. Professional Manufacturing: Superb craftsmanship and good accuracy help to provide the best performance. Specification: Item Type: Automatic Door Program Key Switch Material: AluminiumFunction: Normally closed, automatic, one-way, half open, normally open Application: Fit for automatic doors Fit for Approx. 50mm/1.97in depth mounting box. Package List: 1 x Automatic Door Program Key Switch