Vibration Sensor Getar 801S detection adjustable sensitivity module Size: 20mm* 32mm *11mm the main chip: LM393, 801S work voltage: DC 5V with the signal output instructions; with analog and TTL level signal output signal output; the output valid signal is high, the light goes out; sensitivity adjustable (fine tuning); vibration detection range, non-directional; with mounting holes, firmware installation flexible and convenient. Specification English Manual / Spec Yes Other Features Other Features Working voltage: DC 3~5V Dimensions & Weight Dimensions 1.69 in x 0.67 in x 0.35 in (4.3 cm x 1.7 cm x 0.9 cm) Weight 0.18 oz (5 g) Packing List 1 x ModuleAll packages from DXcom are sent without DX logo or any information indicating DXcom. Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.