Electronic chip, precise temperature control, and more efficient than traditional heating rods Automatic constant temperature, no more cooking fish, electronic temperature control when the set temperature is reached, energy saving and safety Equipped with multiple temperature probes to prevent the heating rod from overheating or not heating Thickened quartz explosion-proof glass, resistant to high temperatures and corrosion Good electrical conductivity, faster and more stable heating speed, long service life Understand the current temperature of the fish tank in real time External ABS protective cover to prevent fish and damage caused by fish impact. Detachable design for easy cleaning. Multi-hole design for better heat dissipation. The external temperature control is easy to operate. You can adjust the temperature outside the fish tank, which is safe and convenient. Power: 100w Temperature control: 18-34 Material: Glass colour: black Package Contents: 1 x fish tank heating rod Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.