1. Process: aluminum panel surface brushed oxidation, silk screen printing 2. Five functions: normally closed, automatic, one-way, semi-open, normally open 3. Easy to install and maintain, weatherproof and dustproof, suitable for all automatic doors. 4. High reliability, small footprint, good performance, better meet your needs. 5. Equipped with 2 keys, you can insert and pull out the keys at each position, which brings you more convenience. 6. Dimensions: 8 x 8cm
