Wifi Remote Control: The WIFI sous vide cooker only support 2.4Ghz WIFI, but once connected with the sous vide machine with your router via APP InkbirdPro, it could be checked and controlled anywhere you're Powerful Yet Quiet Cooker: This sous vide cooker keeps a homogeneous temperature for up to 20 L of water even at full 1000 W output; ultra-quiet with less than 40 dB noise at 1 m Sosu Vide Cooker & Intelligent Design: Our sous vide cooker features a wide temperature range of 77-210°F (25-99°C) within 0.1°C accuracy and the max timer setting of 99 hours; intuitive LCD touch controls allow effortless adjustment and tracking Cook Like a Chef at Home: Achieves restaurant quality meals with ease by preserving juices, moisture and flavors thanks to precise temperature control; retains all of the health and nutrition benefits that are difficult to achieve from traditional cooking; included easy-to-follow sous vide cooking recipe book recommended by top chefs Reliable Cooking Partner: Additional calibration function is added to Inkbird Precise Cooker, which can keep a more accurate temperature at any time. Calibration range: -10F~10F