Wireless Digital Refrigerator Thermometer Audible Alarm Indoor Outdoor Thermometer with Sensor Freezer Thermometer Min/Max Temperature Record * It can be used in freezer and act as thermometer indoor and as well. * With a temperature trend indicator arrow and daily high and low information. * With indoor and audible alarm. When temperature exceeds your preset minimum and maximum alarm setting, it will make a sound alert. * Includes Min and Max temperature records and you can easily temperature change of your refrigerator and provide double conservation to your food safety. * minimum and maximum temperature are displayed on LED screen and can be reset manually. * Comes with a hanging hole so display is wall-mountable or stands upright on tabletop. How to Install: sensor is equipped with a spring-loaded clip along with a grip to tightly attached to edge of a shelf. display is magnet-mountable on a fridge, or use integrated keyhole for wall mounting. Specification: Temperature : -40-60 (-40-140) Sensor Weight: 39g/1.36oz Sensor Size: 10.5*3.5*3.0cm/4.13*1.38*1.18in Host Size: 10.0*8.5*2.0cm/3.94*3.35*0.79in Supply: 2 * AAA battery for host (Not included), 2 * AAA battery for sensor (Not included) Material: ABS Update Rate: 10 seconds Indoor Temperature : 0-50 (32-122) Host Weight: 100g/3.52oz Color: White Description: This is a wireless digital freezer thermometer. It can be used in freezer and also act as a thermometer indoor and . Its audible alarm can warn you of exceeded temperature in time. Package List: 1 * User Manual 1 * Host 1/2 * Sensor (Optional) Note: Do not install reverse battery. Do not put receiver near metal. directly in rain. * The minimum and maximum temperature are displayed on the LED screen and can be reset manually. * With a temperature trend indicator arrow and daily high and low information. * Includes Min and Max temperature records and you can easily monitor the temperature change of your refrigerator and provide double conservation to your food safety. * With indoor and outdoor audible alarm. When the temperature exceeds your preset minimum and maximum alarm setting, it will make a sound alert. * It can be used in the freezer and act as thermometer indoor and outdoor as well.