Features: 1. Zinc alloy case, waterproof and explosion-proof, waterproof and dustproof grade IP67. It can be suitable for various installation environments. 2. 2000 large-capacity users, and it can meet more users' needs. 3. With remote control, you can add or remove users and support remote door opening. 4. It has double door interlock and return to back functions. 5. Three modes are available, relay mode, switch mode and access mode. Specification: Condition: 100% Brand New Item Type: Access Control Machine Material: Metal Color: Silver Supply Voltage: DC10-24V Working Current: ≤80MA Card Reading Distance: Approx. 4-8cm/1.5-3.1in Waterproof Rating: IP67 User Capacity: 2000 Card Reading Type: ID Card (125Khz) Wiegand Interface: 26 Bits Working Temperature: -40-70°C Working Humidity: 0%-+98% (Non-condensing) Remote Control Battery: CR2025 (Built-in) Card Reading Frequency: EM, ID (125KHz) Package List: 1 x Access Control Machine 1 x Set of Screw Package Accessory (Including Diode, Wrench) 2 x Management Card 1 x Remote Control (Including battery) 1 x Instruction Manual 1、Zinc alloy case, waterproof and explosion-proof, waterproof and dustproof grade IP67. It can be suitable for various installation environments. 2、2000 large-capacity users, and it can meet more users' needs. 3、With remote control, you can add or remove users and support remote door opening. 4、It has double door interlock and return to back functions. 5、Three modes are available, relay mode, switch mode and access mode.