Door Alarm Time Delay 9-12 Vdc Electronic Circuit Kit : MXA077 Power supply : 9-12VDC. Consumption : 1.9uA (standby) @ 9VDC, 60mA (working) @ 9VDC. Duration of delay time before alarm : 10-60 seconds. consist : 35 LEDs per segment and 5 LEDs of P point. PCB dimensions : 2.81x1.84 inch.