Description: Features: Sensitive detection, stable performance, low power consumption, quickly alarm, fault self test Apply: Applicable to rail transit, power distribution cabinets, energy storage cabinets, factories, home stores, machine rooms, warehouses, etc. Safety: High decibel prompt, 80db alarm sound within 3m range, timely reminder to protect you and your family. 360° wide range detection: When the temperature reaches the alarm value, the indicator light of the detector starts to flash. At this time, the detector judges whether there is a fire alarm. When the confirmation is correct, the detector lights up the red indicator light and sends out an alarm sound Low battery reminder: When the battery of the detector is lower than 7V, the detector beeps for about 50 seconds, indicating that the battery is undervoltage Specification: Material: ABS Volume level: greater than or equal to 80DB Working temperature: -10°C~+50°C Relative humidity: less than or equal to 95%RH Installation method: Ceiling type Size Chart: 10.5cmx5.5cm/4.13inchx2.17inch Package Includes: 1 Temperature Alarm Detector Note: Please allow slightly errors due to manual measurement and different monitors.