[APP Notification] Pair the aquarium temperature controller with your phone via 2.4GHz Wi-Fi, the device will alarm if there are exceptions. And all exceptions will be updated to the INKBIRD APP, the INKBIRD app will push notifications to remind you. [Plug and Play] The 1100w high-power aquarium temperature controller is compatible with most kinds of heaters, you don’t need to assemble the product yourself, just plug and play. [Continuous Heating Alarm] The heating time can be set according to your needs from 1 hour to 72 hours, the controller will alarm if water can not be heated to the setting temperature within the specified time. The temperature setting range is 20.0?~35.0?/68.0?~95.0? and the detectable temperature range is -40?~100?/-40?~212?. [Two Probes] Your fish might be in danger as it is hard to know the probe is broken immediately if the temperature controller has only 1 probe. The dual probe aquarium temperature controller will alarm if the temperature difference between 2 probes is bigger than 3?/5?, and the INKBIRD app will push a notification at the same time. [Dual Protection] The aquarium temperature controller is equipped with 2 relays to ensure that the power can be turned off under any circumstances, this will protect your fish from being hurt by overheated water. (US Socket Only).

Date First Available: August 26, 2019. Best Sellers Rank: #18,715 in Pet Supplies. Customer Reviews: 4.4 out of 5 stars 621 ratings 4.4 out of 5 stars. : B07X1JT372. Batteries Required?: ?No. Batteries Included?: ?No. Item Package Quantity: ?1. Package Dimensions: ?7.48 x 4.13 x 3.46 inches. Item Weight: ?1.08 pounds. Manufacturer: ?Inkbird.