MOCREO ST5 WiFi Freezer Thermometer Alarm, Email Alert, App Notification, Data Logging Export, No Subscription Fee, Remote Temperature Sensor for Refrigerator, Freezer, Hot Tub (2 Pack) 50+ bought in past month. $6999. Save $7.00 with coupon. FREE delivery Thu, Jul 27. Only 5 left in stock - order soon.