Monitor visible light levels anywhere with fast, stable and accurate response. Results are easily read on the extra large LCD (1½" high, 38.1 mm) with bar graph, low battery and over range indications. The color and cosine corrected sensor meets C.I.E. photopic spectrum. Will read LED light. Also features min/max, peak function, auto power off, external zero adjustment, hold function and a tripod back. The lux/foot-candle light meter comes ready to use with a 9V battery, instructions, soft padded case with shoulder strap, and a detachable sensor (with 44" cord) with cover for easier replacement or repair. Meter Dimensions: 7 3/4" × 2 3/4" × 1 1/4" (197 × 70 × 32 mm). Weight: 10 oz (283 g).