2. Intuitively realize temperature collection and display, and can set upper and lower limit temperature alarms.
3. Can record temperature data for nearly 28 hours.
4. You can connect the sensor as an auxiliary detection function.
5. Suitable for temperature measurement in daily life and industrial and agricultural production.
1. Built-in battery: 9V alkaline battery (250mAh).
2. Alarm current: 30mA.
3. Quiescent current: 60 microamps.
4. Detection temperature: -29 to 90 degrees Celsius.
5. Wireless frequency: 43MHz
6. Temperature record: 99 records (3 records are kept for one hour, and the total temperature is recorded for 28 hours).
7. Low battery monitoring: When the battery power is low, the battery icon flashes (the gap in the front cover can be pulled down to remove the battery).