Freeze & temperature alarms

2 Wire Network Fire Alarm Heat Detector

4-wire Network Fire Alarm/Heat Detector with Low-standby Current

Heat Alarm with Real Temperature Display and Adjustable Alarm Temperature

4-wire Network Fixed Temperature Heat Detector, Anti-EMI and Anti-RFI

2-wire Network Heat Detector, Fixed Temperature, Anti-EMI and Anti-RFI Design

DC 9-35V 4-wire Network Heat Alarm Sensor

Shenzhen Conventional Fire Alarm Wired Heat Detector

Hot 2-wired Network Heat Detector with Rate-of-Rise Alarm

Shenzhen Conventional Fire Alarm Wired Heat Detector, Low-standby Current

Wall-mounted 9-24V DC Intelligent Heat Alarm Detector, Measures 118.5*82*43mm

2 Wires Fixed Temperature Heat Alarm with Remote LED Indicator Used for Fire Alarm System

4 Wires Conventional Fixed Temperature Heat Alarm with Relay Output

2-wired Conventional Heat Alarm Sensor with Rate-of-Rise Temperature or Fixed Temperature Optional

9-35V DC 4-wire Network Heat Detector, Rate of Rise Temperature or Fixed Temperature Alarm

Wall-mounted 9-24V DC Intelligent Heat-detector with Real Ambient Temperature Correctable Function

Heat Sensor, Used for Fire Alarm System, Support Auto-rest/Power-off Reset Optional, Relay Output

4-wire Network Fire Alarm Heat Detector with Repay out Support Fixed Temperature or Rate of Rise

Wired Network Heat Alarm Sensor with Relay Output, Supports Fixed Rate Alarm

9-35V 2-wire Fixed Temperature Heat Sensor with Remote LED Indicator

2 wire conventional fire alarm wired heat detector, connecting remote LED