The AcuRite Lightning Detector warns of cloud-to-ground, cloud-to-cloud and intra-cloud lightning strikes within a 25 mile range. Get notified with a loud alarm, flashing red LED light and text message on the backlit display when storms or lightning are within range. Pocket-sized with no-slip clip for portability. Built-in interference rejection and self-calibration provide superior detection performance. Features outdoor and indoor operation modes. Measurement Ranges Detection Range: 25 miles Portée de détection : 40 km
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