Sistema di allarme antifurto di sicurezza DC 6V-12V antifurto bicicletta moto auto
1Pcs x Vibration Detector Sensor. Working Current: 10mA 12V. Output Signal Ports: Detect 1S Negative Pulse Per Vibration. Output way: Negative Pulse. Output Type Negative Pulse. We afford all cost if it's our fault.