The built-in lumbar support made of high density stamped foam provides added comfort and relief for those who suffer from back pain due to long periods of sitting. The foam material conforms to your body, promoting correct posture and reducing strain on your back muscles. This feature makes this product an excellent choice for anyone who frequently takes long car trips or commutes.Overall, the combination of safety features, convenience, and comfort make the NEW patented 4-Claw Ultra-Tight Fit Cigarette Lighter Plug with built-in lumbar support a must-have for anyone who spends significant amounts of time sitting in their vehicle.This car heated seat cushion is equipped with a safety protection function, which can prevent problems such as overheating and short circuit. Its thermostat allows you to adjust the temperature according to your needs, making your driving more relaxed and comfortable.This car heated seat cushion is designed with full consideration of the needs of the human body, making you feel comfortable and relaxed during a long driving trip. It also has the characteristics of easy installation and easy cleaning, providing you with a more convenient use experience.The NEW patented 4-Claw Ultra-Tight Fit Cigarette Lighter Plug is designed with safety in mind. Loose connections between the cigarette lighter plug and socket can cause unnecessary wear and tear on the device, as well as increase the risk of possible melting and inefficient performance. With the 4-claw ultra-tight fit design, the connection between the plug and socket is secure, ensuring optimal performance and minimizing potential safety risks.In addition to its safety features, this product also offers a 3-stage control switch and LED power indicator, allowing for easy and convenient use while driving. The LED power indicator lets you know when the product is in use, while the 3-stage control switch allows you to adjust the temperature of the heating element to your desired level.The heater of this car heated seat cushion adopts high-efficiency technology, which can quickly provide you with warmth and comfort. It's smartly designed to fit perfectly into different types of car seats and make your drive more relaxed and enjoyable.Installing the car heated seat cushion is very simple. Just place the cushion on the car seat, make sure the plug matches the power outlet, and start the car. The cushion heats up in minutes and lasts for hours, providing you with a warm and comfortable ride.