Features SIMPLE OPERATION: The ambient temperature detected by the temperature control probe is fed back to the device and displayed on the temperature control interface in real time. AUTOMATIC ALARM: The user can set an upper or lower temperature limit. When the set value is exceeded, an alarm will occur, and the alarm will be automatically canceled when it is adjusted to a safe value. FLASH AND SOUND: The flashing and sounding alarm mode is adopted. After the alarm is activated, the user can use the mute button to cancel it. TEMPERATURE RANGE: The set temperature range of this temperature alarm is 0‑400℃, with high accuracy and sensitivity, and a wide range of applications. CONVENIENT TO USE: The temperature warning controller is compact in structure, easy to set up, and has a digital display, which is convenient and durable. Package List 1 x Temperature Alarm 1 x Chinese English User Manual