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2-wire Conventional Heat Detector Alarm Sensor

2-wire Conventional Heat Detector Alarm Sensor
Skype firealarm87 /wechat 15220176087 2-wire Conventional Heat Detector Heat Alarm Sensor The device is intelligent sensors that utilize a state-of-the-art thermistor sensing circuit for fast ...

2-wireconventional Photoelectric Smoke Detector Sensor Alarm

2-wireconventional Photoelectric Smoke Detector Sensor Alarm
all conventional intelligent fire control panels Dual LEDs for 360-degree visibility Advanced MCU Expert Algorithm Software. Easy installation and maintenance. Durable sensor head, no need for ...

AC220V Powered Plug-In Combustible Gas Alarm LPG LNG Gas Detector Fire Sensor for Kitchen

AC220V Powered Plug-In Combustible Gas Alarm LPG LNG Gas Detector Fire Sensor for Kitchen
all sorts of combustible gases, natural gas (methane), bottled gas (propane), LPG (Liquefied petroleum Gas), LNG (Liquefied natural gas), coal gas, including town gas. Digital display the level of ...

4-wire Smoke Detector with Sound and Relay Output Network Smoke Sensor Fire Alarm Detector

4-wire Smoke Detector with Sound and Relay Output Network Smoke Sensor Fire Alarm Detector
all the security alarm system Alarm Relay Output(NO/NC can be adjustable) Unpolarized wire input Wide range of operating voltages(9V~28VDC) Unique optical sensing chamber Built in microprocessor ...
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