Radio Shack EC-291 owner manual Specifications, Hwd

SPECIFICATIONS

Power Source:

Main Two Lithium Batteries, 3V

Back-Up	One Lithium Battery,
	3V, Type CR2032
(RadioShack Cat. No. 23-162)
Battery Life:
Main		About 8 Months
Back-Up		About 1 Year
Automatic
Power-Off		About 6 Minutes
Working Temperature		........ 32–104°F
		(0–40°C)
Dimensions:	3 ⋅ 55/16 ⋅ 1/2 Inches
(HWD)
	(76 ⋅135 ⋅ 12.7 mm)
Weight
(w/o Batteries)		3.4 oz (96 g)

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