Keypad ZKTeco SA40B ID, built-in EM-Marine reader, 2000 codes and cards, plastic case, supply voltage DC 9-15V, relay output, connection of an exit button, doorbell, reed switch. Dimensions 103.5x86x19 mmMain Full characteristicsType of instalation wall, overheadInstallation location insideConnection type wiredIdentification Standard EM-MarineWorking frequency range 125 kHzData interface WiegandReading technology RFIDReading range 2 smBuilt-in reader EM-marineExternal Reader noBuilt-in controller yesIndication lightButton illumination noButton type mechanical