Mannix AQ150 Digital Aquarium Thermometer Displays ambient & remote temperature Min/max temperature memory High/low temperature alarm Jumbo digital display Room & outer sensor temp. switch F/C switch Backlight Foldaway stand Specifications: Ambient temperature range: 14 to 122 F (-10 to 50C) Remote temperature range: -58 to 158 F (-50 to 70 C) Resolution: 0.1 Accuracy: 1.8 F (1 C) Sampling rate: 10 second Cord length: 10 ft. (3m) Display size: 1.88” x 0.82” Dimensions: 2.87” x 2” x 0.6” Power source: 1 “AAA” battery Supplied With: Battery Suction cup Velcro mounting tape