IVR15920 Features: -Power source(s): Battery; solar. -Display notation: Numeric. -Number of display digits: 8. -Memory: 4 Function/3-key. -Display type(s): LCD. -Display angle: Angled. Product Type: -Standard. Dimensions: Overall Height - Top to Bottom: -7.28". Overall Width - Side to Side: -4.33". Overall Depth - Front to Back: -0.79". Overall Product Weight: -0.22 lbs.