BT Fingerprint Access Controller Waterproof Metal Access Control Keypad for EM Card 125KHz 13.56MHz Item Type: Fingerprint Access Controller Material: Aluminum Alloy Operating Voltage: 12-18V DC Working Current: ≤150mA Static Current: ≤60mA Card Type: EM card Password Length:4 to 6 characters Reading Distance: Approx. 2 to 6cm / 0.8 to 2.4in Operating Temperature :-30℃ to 60℃ Working Humidity: 0 to 98%RH Adjustable Relay Output: 0 to 99 seconds adjustable (default 5 seconds) Output Short Circuit Protection Time :≤100us Supported Gateway: Yes Multiple Access Modes: Smartphone, card, password, fingerprint HF3 BT (BT Fingerprint): User Capacity: 1000 01, Ordinary Users: 988 (100 fingerprint users and 888 card password users) 02, Manage Users: 2 03, Visitor Users: 10