Features: Secure key controlled plan with integrated key change ensures only licensed personnel can operate, preventing unapproved use of elevator and access control . Permanent metal alloy construction proposals powerful, effect resistance, and extended reliability for frequent use in demanding conditions. Global square shape accommodates most access control panes and confluences cartons, ensuring easy installation for both commercial and residential applications. Stable indication output furnishes quick and consistent response, ensuring smooth release of elevator doors otherwise access control . Flexible application suitable for hoists, offices, apartments, inns, and various access control requiring secure entry management. Specifications: Product Typolyethylenemail: Safeguarded Access Control Exit Button Substancemail: rustless Shapolyethylenemail: Square Change typolyethylenemail: key change Installation methodor: wall installation Scope of applicatparticlemail: hoists, access control Colorepeat: silver Package Includes: A keyed elevator button note: Before using the accessory, please check if it is compatible. Pay attention to the storage methods.