Do you need a measuring instrument to monitor the fluctuation of thermometer and humidity in water? This Submersible Digital Thermometer is the ideal gadget that you cannot miss. It can be mounted to wall . With a clear LCD display， it can simultaneously display temperature， humidity and time. Excellent value for money! It is time for action                                    Features             Fashionable and elwgant appearance .spacially water-proof design<br> Strong cupula can make it stick to the aquarium case firmly<br> Precise and convenient temperrature measurement<br> Digits on LCD display big and clear ，easy to read<br>                                                            Specifications             Temperature Measuring Tange     0℃-50℃(32℉-122℉)    <br> Accuracy     ±1.0℃(±2℉)    <br> Operation Environment     -10℃-50℃    <br> Power Supply     Button Battery (DC 1.5V)    <br> Weight     1.31oz / 37g    <br> Color     Blue     <br> Dimensions     1.77 x 0.98 x 0.59" / 4.5 x 2.5 x 1.5cm(L x W x H)     <br>                                                             Package Includes            1 x Thermoneter<br>