Geevon Wireless Refrigerator Thermometer, Dual Sensor Wireless Digital Fridge Freezer Thermometer Hygrometer with Alarm, Backlight, 330FT Remote Range for Home and Restaurants

This Geevon digital wireless refrigerator thermometer hygrometer boasts a 330FT/100M monitoring range with steady 30-second data updates, fully covering RVs, fridges, freezers and large kitchens. The freezer thermometer features two customizable temperature and humidity threshold alerts with a loud 90DB one-minute alarm to avoid food spoilage, delivers high precision (±1.8°F temperature, ±5% humidity) and works from -40°F to 158°F with 1%-95% humidity. Refrigerators/freezers thermometer equipped with a large colourful screen showing big clear readings, real-time data, comfort index, 24-hour MAX/MIN records and temp-humidity trend arrows, running up to 6 months on 3 AAA batteries (not included) with a low battery reminder and a supplied USB cable for three adjustable backlight levels.