Custom Environment Monitoring System Spot-Type Photoelectric Smoke Sensor Detector Quick Details Place of Origin: Shenzhen, China (Mainland) Power Sup...
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23000mAh DD Model CR341245 Non-Rechargeable Spiral Cylindrical Lithium Batteries for Metering / Smoke Detectors Nominal Capacity 23000mAh Battery disc...
5V Heartbeat Sensor Senser Detector Module By Finger Descriptions: This project uses bright infrared (IR) LED and a phototransistor to detect the puls...
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Wire and Cable Smoke Density Tester, IEC61034 Cable Tester and Wire Tracker Product description: Test the smoke density of the wires and cables Test i...