Engine heating pad, help you start your car quickly in winter Specification Voltage: 120V Power: 300w Size: 150*200mm(6"x8") Fixed: Double-sided tape Operating temperature: 302°F (150°C) Material: Silicone rubber and fiberglass cloth Wire length: 1.5m Instant Lubrication This engine oil heater transmits heat to 302°F (150°C) to keep the engine oil as a thin fluid, giving you instant lubrication when starting your engine. Easy to Use Clean the application surface, peel off the paper backing to adhesively attach this silicone heat pad to any metal surface, then plug the power cord into any wall outlet for instant warming. Once applied, pad remains permanently installed on a metal surface. But you can detach the heating part and the power cord! Premium Material Composed of hard-wearing silicone, these two engine block heater pads are waterproof, oil-proof, low-temperature resistant and durable enough to serve you for a long time.