... vibration sensor, shadow sensor or rocking switch.Main component: speaker, PCB, IC, batteries, switch, wiresSpeaker available: 40mm, 29mm, ... Canada, Australia, Brazil, Germany, Turkey, Poland, Switzerland and so onPacking detailsNet weight: 20g/PCGross weight: 23g/PCPCS/ ... manufacturer in electronics field, collecting in development, produce and sales. Our products are ranged from electronics toys, ...