500W Aquarium Submersible Fish Tank LED Digital Adjustable Water Heater Rod Features: Material: ABS + Soft Rubber Tension: 22 0V-240V 50HZ/60HZ Heating rod length: about 18cm Cable length: about 170cm Power: 300W, 500W optional 300W suitable for 150-300L water, suitable for water tank length 80-100cm 500W suitable for 250-500L water, suitable for water tank length 130-150cm Features: Built-in LCD digital display Intelligent digital display, real-time temperature measurement, high precision Accurate temperature difference +/- 1 Use temperature probe for advanced detection, sensitive and high-sensitivity temperature Intelligent temperature control system, safer Real-time monitoring of temperature control, providing system protection, reducing unnecessary energy waste, easy to operate 16 to 36 temperature control range, unique linkage temperature cycle adjustment, no need for complicated setting process Microcomputer automatic memory system No need to reset the power again when starting up, the microcomputer automatically memorizes the state before setting the temperature Note: Due to different light and screen settings, the product color may be slightly different from the picture. Due to different manual measurements, please allow slight differences in size. Quantity shipped: 1 piece