1. [Adjustable thermostat]: This oil drum heater is controlled by an adjustable thermostat. The temperature setting range is 30~150C (80~300F). Once the silicone heating pad reaches the desired temperature, it reduces power consumption to maintain the selected temperature (5F/3C). 2. [High-quality heating element]: It consists of neatly arranged resistance wires made of nickel-chromium alloy and high-temperature insulating fabric made of silicone rubber. The product heats up quickly, has uniform temperature, high thermal efficiency, good toughness, and is pressure-resistant and wear-resistant. 3. The silicone oil drum heater is available in 5 different sizes, and the elastic spring can be stretched to about 3 inches. Suitable for all oil drums from 5.5 to 55 gallons. 4. [Safety and peace of mind]: The product is suitable for all national voltage standards. Products suitable for the local power supply voltage in your country will be sent.