Trinatech Digital Thermometer
TRINATECH Digital Floating thermometer on solar energy and battery. This waterproof digital thermometer is designed to float in the water, making it ideal for temperature measurements of fish ponds, swimming pools, hydroponics and water tanks. The temperature can be displayed in both  ° C (Celcius) or  ° F (Fahrenheit). It has a temperature range of -20  ° C to +70  ° C, -4  ° F to +158  ° F. It is accurate to ± 1 ° C / ° F. This digital electronic thermometer also has a maximum and minimum temperature function. This can be reset at any time and shows the highest and lowest measured temperature. Most important features : Diameter: 8 cm Height: 13 cm Minimum Temperature: -20  ° C Maximum Temperature: +70 ° C Measurement:  ° C and  ° F Waterproof and dustproof Back-up battery: 1x LR44 included