Electronic chip with precise temperature control, safer and more efficient than traditional heating rods Automatic constant temperature function prevents overcooking fish; electronic temperature control maintains set temperature for energy efficiency and safety Equipped with multiple temperature probes to prevent overheating or insufficient heating Thickened quartz explosion-proof glass resists high temperatures and corrosion Excellent electrical conductivity for faster, more stable heating and extended service life Real-time monitoring of aquarium water temperature External ABS protective cover prevents fish burns and damage from impact; detachable design allows for easy cleaning; multi-hole structure enhances heat dissipation External temperature control is easy to operate; allows temperature adjustment outside the tank for safe and convenient use Power: 100w Temperature control range: 18-34℃ Material: Glass Color: Black Package Contents: 1 x Fish tank heating rod (Other items not included) Note: Due to light reflection and display differences, the color may vary slightly from the actual product. Measurement error allowed: +/- 1-3cm