R1	1	100K 1/2W 1% Resistor	
R2, R4	2	10K 1/2W 1% Resistor	
R3	1	1 Meg 1/2W 1% Resistor	
C1, C3	2	0.1uF Ceramic Disc Capacitor	
C2	1	0.01uF Ceramic Disc Capacitor	
IC1	1	4001UBE Quad 2-i/p NOR Gate	
Q1	1	MPSA14 Low Power NPN Transistor	
SIREN	1	Micro piezo siren 12V DC 150mA, 110dB @ 1M	
LOOP	1	See "Notes"	
MISC	1	Board, Wire, Socket For IC1