Features: > Embedded design with mini size > Metal case and waterproof, conform to lP66 > User capacity: Supports up to 100 fingerprints and 3000 cards. > Card type: 125KHz EM card > One programmable relay operation > Latch mode to hold door or gate open > Tri-colour LED status display   User Capacity 100 Fingerprints and 3000 Cards Operating Voltage DC9~18V Idle Current ≤25mA Active Current ≤100 Proximity Card Reader EM Radio Technology 125KHz Proximity Card Read Range 2cm Wiring Connections Relay Output, Exit Button Relay One (NO, NC, Common) Adjustable Relay Output Time o-99 seconds (5 seconds default) Lock Output Load 2 Amp Maximum Environment Meets lP66 Operating Temperature -25℃~60℃ (-13°F ~140°F) Operating Humidity 20%RH-98%RH Physical Zinc-alloy plate Colour Silver Dimensions