<br><b>Product Features: </b> <br><br>Reliable circuit and high material ensure output of the heat and keep the water temperature inside the tank steady <br>Temperature indicating scale can be adjusted between 20°~34°C(68°F - 93°F). <br>Totally submersible <br>Durable and safe novel design <br>Two suction cups easy to attach to aquarium, space saving. <br>Both for fresh and Salt water. <br> IPX 8 waterproof, insulation, not need to worry about light shock. <br>Power lamp indicates setting. When the heater is heating the red light is on. When the heater is not heating the red light is off. <br><br><b>Specification: </b> <br>Power: 100W, suggest to use for 100 gal fish tank <br>Voltage: 220 V-240 V / 50Hz <br>Size: 6.89 *0.75 inch <br>Unplugged the appliance 10 minutes in advance of changing water <br><br><b>Package include: </b> <br>1: 1x Aquarium Heater<br>2: 1x Aquarium Thermometer<br>3: 2x Suction Cups