P-wave detection system Power : 9V Seismic P-wave detection Measuring range :200 km range Dimensions: 16 * 7.8 * 3.5 (mm) Weight: 230g
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P-wave detection system Power : 9V Seismic P-wave detection Measuring range :200 km range Dimensions: 16 * 7.8 * 3.5 (mm) Sensitivity adjustment With battery Have USA patent Weight: 230g Packing : 1pc/box , 50pcs/carton 35*51*31 cm /carton 11kgs/carton