Feature: 1. Intelligent chip, with temperature control, short circuit protection, over‑temperature power‑off functions. 2. Separate dry and wet, with external temperature sensing and regulating device, avoid placing circuit chips in water. 3. High temperature resistant quartz materialm, withstand temperature above 1300℃, preventing heating rod from bursting due to dry burning. 4. The anti‑collision cover design eliminates concealed safety hazards and prevents damage to the rod caused by biological impact. 5. Stepped heating, after heating rod heated to set temperature, it will automatically reduce power to maintain current water temperature, the actual power will not be recovered until water temperature drops. Specification: Item Type: Heating Rod Material: Quartz Uses: Heating fish tanks and aquarium Heating Temperature Range: 20-35℃ Rod Length: Approx. 35cm / 13.8in Cable Length: Approx. 88cm / 34.6in. Package List: 1 x Heating Rod2 x Suction Cup Note: 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Dear customer, please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard and make sure its normal use.