Features: Compatibility with Mifare-1 card, open interfaces, campus card, and bus cards for direct unlocking card setup. High-purity silicone construction ensures wear resistance, stability, durability, and anti-collision properties. Simplified and easy installation to enhance the safety of your home and property. Easy battery replacement for user convenience. Individual user deletion capability. ANSI Grade 2 and ROHS certified. Keypad Shutdown: 10 seconds if a code is incorrectly input three times. Specifications: Material: Zinc Alloy, Stainless Steel Handle: Available in left or right handle options Standard Mortise: Single Latch Door Thickness Requirement: 3.8cm to 5.0cm (Single); for doors over 5.0cm, please contact us for tailor-made solutions. Door Frame: ≥110mm (Thickness may vary for different doors) Locking Method: Automatic Dynamic Power Consumption: 150-300mA Working Temperature: -30°C to 70°C Working Humidity: 10%-97% Card Read Distance: 3cm Static Current: ≤30uA Working Current: ≤200mA Unlocking Methods: Card, Code, Code + Card, Mechanical Key Code Length: 4-8 digits User Capacity: 200 Users Power Supply: 4 x 1.5v AA Alkaline Batteries (Not included)