Feature: 1. The temperature can adjusted between 20 - 34℃ (68-93 ℉). 2. Easy installation, simple operation, high temperature resistance and explosion-proof quartz glass tube, high safety. 3. Sensitive temperature regulator and overtemperature protection device, high resistance heating wire, uniform and stable heating, long service life. 4. Good heat resistance, good insulation, high heat transfer efficiency, with strong support hook and suction cup, make it work more stable and reliable. 5. Double waterproof protection, full submersible design, can accurately maintain the set temperature. 6. Maximum submersible water depth of 120CM working environment, this product is only suitable for fresh water, seawater using. Specification: Condition: 100% Brand New Item Type: Fish Tank Heating Rod Material: Glass Color: As Pictures Shown Power: 300W Frequency: 50HZ-60HZ Temperature Control Range: 20℃-34℃ Optional Plug: EU Plug, UK Plug, US Plug Optional Voltage: US Plug 110V, UK Plug 220-240V, US Plug 220-240V Tube Length: Approx. 30cm/ 11.81inch Package List: 1 x Fish Tank Heating Rod2 x Suction Cup Fixing Clip