Omega Vehicle Security HH501BK - Manual (Page 5)

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ENVIRONMENTAL
Ambient Operating Ranges: 0°C to 50°C (32°F to 122°F) <80% R.H.
Storage Temperature: -20°C to 60°C (-4°F to 140°F) <70% R.H.
GENERAL
Display: 3½ digit liquid crystal display (LCD) with maximum reading of 1999.
Overload: "-OL" is display.
Battery: Standard 9V battery.
Battery Life: 100 hours typical.
Auto power off: The meter key switch inactive for more than 30 minutes,
press power key to resume operation.
Dimensions: 192mm(H) x 91mm(W) x 52.5mm(D).
Weight: 365g.