www.DataSheet.co.kr External Drive Piezo Transduc.
Canopus Electronics
CPT2407 - External Drive Piezo Transducer
www.DataSheet.co.kr External Drive Piezo Transducer (AC) CPT2405 Canopus Part no. CPT2405C30BW CPT2405C40BW Min sound Output (dBA) Rated Voltage (V).