This is a very practical fish tank heater. It can not only be used in fish tank£¬ but also can be used in aquarium tank and turtle tank etc. Made of high-quality carbon fiber£¬ it is environmental-friendly£¬highly efficient and safe to use.<br> <br> Features£º<br> Made of high-quality carbon fiber£¬ it is environmental-friendly£¬highly efficient and safe to use.<br> It can ensure the output of heat and keep the water temperature( 25¡ãC)inside the tank steady.<br> The heating element is highly efficient and compact£¬ completely safe for use.<br> It is power saving and will not scald your fish and turtle etc.<br> Have two suckers at the button£¬ so you can hang it in the tank.<br> Besides£¬ you can also put it in the water£¬ since it is submersible.<br> <br> Specifications:<br> Color: Black<br> Material: Carbon Fiber<br> Voltage: 220-240V<br> Plug: EU Plug<br> Wattage: 16W / 50W (Optional)<br> Temperature£ºSteady 25¡ãC(77¡ãF£©<br> Power Cord Length: Approx. 140cm / 55.12in (16W)  136cm / 53.54in (50W)<br> Heating Rod Size: 13 * 2.5cm / 5.12 * 0.98in (16W)  18 * 3cm / 7.09 * 1.18in (50W)<br> Item Weight: 131g / 4.62oz(16W)  209g / 7.37oz(50W)<br> Package Size: 18.5 * 5.5 * 5.3cm / 7.28 * 2.17 * 2.09in(16W)  24 * 6.5 * 6.3cm / 9.45 * 2.56 * 2.48in(50W)<br> Package Weight: 162.5g / 5.74oz(16W) 253.5g / 8.94oz(50W)<br> <br> How to choose:<br> If the room temperature is 25¡ãC £¬ you can use the 16W heater with 16L fish tank; If the temperature is below 15¡ãC£¬ you should choose heater in higher wattage.Besides the room temperature£¬ you should take heat dissipation and sealing of the tank into consideration.<br> <br> Note:<br> 1.Our body temperature is around 36¡ãC£¬ so you shouldn't test the water temperature by hands when the heater is working£¬ you can apply a thermometer to test.<br> 2.The steady temperature of this heater is 25¡ãC£¬ when the tank water temperature reaches this point£¬ it will not work to save electricity.<br> <br> Package List:<br> 1 * Aquarium Heater<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>