Rate for 1-4 quart oil capacity 50 Watt, 120 volt Designed for smaller oil pans and crankcases Pad Dimensions 2" X 5" Universal application Mounts in any position Very flexible and pliable, Has high temp. 3M adhesive on reverse side Plugs into any 120 volt receptacle Oil and acid resistant Keeps compressor oil warm Easy to install, as it requires little mechanical ability. Silicone rubber heater usage specification: 1.The silicone rubber heater can't be man-made damage, such as using a knife to scribe, or can't pull the power line hardly. 2.It is prohibited to soak in the water strictly, silicone rubber heater can be touched to the water in a short time, but only water droplets. 3.When silicone rubber heater isn't in use, you need to unplug the plug. Please wait for the heating plate to cool down before you can store it. 4.Silicone rubber heater can't be overlapped, otherwise it will cause the overlay temperature is too high, reducing the service life of the heater. 5.In the installation, the silicone rubber heater should be close to the heated object.Also there should be no gap between the heating plate and the heating object 6.Silicone rubber heater can be worked in the pressure state (keep it close to the heated surface by using an auxiliary plate). Good heat conductivity, its operating temperature should be less than 240 ℃ and the power density up to 3W / c ㎡.