eForCity 100W 110-120V Adjustable Aquarium Fish Tank Water Heater with FREE Black LCD Digital Fish Tank Aquarium Thermometer Type: Heater & Thermometer Aquarium Size: 5.8-cm x 3.7-cm x 1.7-cm/ 2.28-inch x 1.46-inch x 0.67-inch Wattage: 100W Color: Black Color Mapping: Black