Feature:1. [Thermostatic] Comes with a digital temperature regulator, once the silicone heating pad reaches the desired temperature, it will reduce power consumption.2. [Elastic Spring] The elastic spring is used to attach the silicone heater to barrels of various diameters, the spring can be stretched to about 3in.3. [Easy to Use] After taking out the heating pad, fix the heating pad to the oil drum that needs to be heated, and plug in the power supply to adjust the temperature.4. [Wide Temperature Control Range] The temperature control range of the heating pad is minus 20 degrees Celsius to 280 degrees Celsius, which can meet your needs.5. [Wide Application] Heating pads are suitable for propane tanks, pipes, instruments, drums, and are recommended for propane tanks, pipes, and valves.Specification:Item Type: Oil Drum HeaterMaterial: SiliconeProduct Size: Approx. 250 x 1740mm / 9.8 x 68.5inPower: 2000wTemperature Control Temperature Range: Minus 20 to 280 (factory value 100C)Display Temperature Range: Minus 20 to 300 (1C)Relay Contact Capacity: 30AWorking Environment Temperature: Minus 10 to 60 Humidity: 20%-90% (no condensation) Code Parameter Name Setting RangeFactory Default E1 Lower Setpoint Limit Minus 20 to E2 30 E2 Higher Setpoint Limit E1 to 280 150 E3 Temperature Hysteresis 1 to 100 2 E4 Delayed Start Time 0 to 10 minutes 0 minute E5 Adjustment of temperature sensor Minus 50 to 50 0.Package List:1 x Oil Drum HeaterNote:Please pay attention to the size of the own oil drum and product size