Radio Shack 49-421A owner manual Specifications

49-421a.fm Page 14 Thursday, August 19, 1999 7:48 AM

SPECIFICATIONS

Power Source	9V Alkaline Battery
Operation Voltage	7V Minimum
Current Drain at 9V:
Standby Mode	0.03 mA Nominal
(0.05 mA Maximum)
Alarm Sounding	20 mA Nominal
	(30 mA Maximum)
Alarm Frequency	2.9 kHz ± 25%
Alarm Cycle Frequency	......... 1 Hz ± 25%
Operating Temperature	............. 32–122°F
	(0–50°C)
Dimensions (HWD)	55/32 × 25/16 × 117/32
(131 × 59 × 38 mm)
Weight	5.17 oz (146.6 g)

Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.

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