... 6 zones. It can extend to 16,24,33 zones by separate left and right alarmSensitivity adjustable: Each zone has 255 ... exclude the coin, key, belt..Sound Alarm: 1-25s alarm time, 255 different sound volume and 12 tones for chooseLED light ... Background light: 0-99 seconds for choose Calendar function: real time display year, month, date, hour, minute, secondWorkstation ; laptop or desktop appliance, CD ...