2-in-1 Smart Hub: Don't lose your wall outlet! 24/7 Remote Monitorin: Always know your freezer is safe, Whether you’re in the next room or away on vacation. High-Precision & 0.9mm Ultra-Thin Probe cable: This freezer temperature alarm is equipped with a high-sensitivity DS18B20 digital chip, providing industrial-grade accuracy (±0.9°F) over a wide temperature range of -40°F to 221°F.
