Đầu dò nhiệt HORING NQ-9F – Single Station Heat Detector. – Detector has passed strict quality control and repetitive testing; hence its quality is durable and highly reliable. – Simple test method: Press test button to hear the alarm sound and confirm the unit is in normal condition. – Easy installation: Install directly to proper location without any wiring. – It is equipped with 9VDC battery, and optional 100~240VAC […]