Multi-reed switch signal input circuit Posted on 2024-11-16 00:59:49 Probe KG-250G switch needle head diameter is 3.0 spring exposed switch needle ESD electrostatic protection tube 5V two-way 0201 Multi-reed switch signal input circuit Piezo SirenPiezo Siren,Piezo Siren 12V,120Db Piezo Siren,Loudest Piezo SirenNINGBO SANCO ELECTRONICS CO., LTD. , https://www.sancobuzzer.com