AROCCOM? Led 165w Dimmable 553w Full Color Saltwater LED Aquarium Light Full Spectrum for Coral, Reef & Fish Tank Grow Light Fixture Or the AquariumThermometer for Fish Tank Digital thermometer for terrariums with Fahrenheit and Celsius LCD display and suction cup for mounting external sensor probe inside or outside of the terrarium. External Sensor can be mounted in dry or wet area of terrarium. Accurately measure air and water temperatures up to +/- one degree. Easy to use selectable fahrenheit/celsius switch with large easy to read display. To turn on press and hold the power (pwr) button. To turn off hold the power button for 5 seconds. Ideal for aquariums & reptile habitats. For use with both freshwater & marine aquariums, and great for monitoring temperatures in reptile & amphibian terrariums, and small animal habitats. Do not submerge the LCD display unit under water.Easy to apply suction cup and easy to read LCD screen Temperature readings to within 0.1 degree Size: 2" x 1.25"; Color: Black | Batteries: LR44 (Included) Package Contents: 1 x Battery; 1 x Digital Thermometer; 1 x Probe Protects reptiles, fish and small animals against unsafe temperatures. Uses one LR44, 1.5v battery (included). Suction cup included. Consider these other items: terrariums, aquariums, reptile heaters, basking lamps, heat emitters, mercury vapor lamps, hydroponics & aquaculture.