SEFCO INTERTRADE CO.,LTD.
บริษัท เซฟโก้ อินเตอร์เทรด จำกัด
Model No.SD-191H
- Operated with single 9VDC block battery
- Extra loud alarm sound over 85dB
- Self-test button
- Battery missing indicator
- Low-battery warning indicator
- LED operation indicator
- Easy installation
- Approval: UL & Activfire listed, Australian Standard Mark granted
