Features:
1: this thermometer is a essential piece of equipment If you keep tropical fish.
Just submerge the probe into the water to find out the correct temperature of your aquarium.

2:The sensor goes in the tank and a sucker is provided. The unit goes on the outside and again the correct sucker is provided.
It comes with the battery that powers the unit. You can switch from C to F easily. The read-out is very clear.

3: It appears to be accurate and its very simple indeed. It has a fairly high range of temperature reading; -50 to +70 to quite versatile for many needs.

Specification:
Temperature Range: -50 ~ +70 deg C
Usage Temperature: -10 ~ +50 deg C
Dimension: 58mm x 37mm x 16mm
LCD Size: 25mm X 13mm
Power: DC 1.5V LR44 button battery(included)
Switch of :centigrade / fahrenheit
Accuracy: ±1 deg C
Cable Length: 1 M

Operations:
1. Open the battery cover and insert battery with (+) positivepole up. Then screw up the cover. The LCD will display the current room temperature.
2. Using the suction cups provided, attach the display unit to the outside of the aquarium. Submerge the probe into the water in the aquarium. Do not submerge the thermometer, only the sensor is waterproof!
3. To preserve battery life press the PWR button for up than three seconds to power off or remove the battery. To power on press the PWR button.
4.If the LCD displays H°C, means temperature is higher than 70°C. If displaying L°C,means temperature is lower than -50°C. Package Contain:
1 x Bestgoo Aquarium thermometer

Bestgoo focus on provide high quality products for your lovely pet. Hope that our products can bring your pet a healthy and happy life.
please e-mail us, if you have any problem or suggestions with our products, we will serve you wholeheartedly.

• Large LCD display, easy to read, both farenheit and celsius can be read easily. Temperature readings to within 0.1 degree.
• Measure -58.0 to 158.0 degree Fahrenhit (-50.0 to 70.0 degree Celsius) with accuracy +/- 1 degree Celsius.
• Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water).
• Made of durable and sturdy plastic materials, our thermometer can be used in both fresh water and salt water.
• Enjoy convenient monitoring of parameters essential to Fish and reptile health. Uses one LR44, 1.5v battery (included).

Large LCD display, easy to read, both farenheit and celsius can be read easily. Temperature readings to within 0.1 degree.bestgoo