10pcs/lot SW-200D SW-420 SW-520 Normally Closed Alarm Vibration Sensor Module Vibration Ball Switch SW200D SW420 SW520
https://www.vogueparade.com/shopping/EN/4003/6/1005002284785178/10pcslot-sw-200d-sw-420-sw-520-normally-closed-alarm-vibration-sensor-module-vibration-ball-switch-sw200d-sw420-sw520//