Features 【Automatic Detection】: The seat belt reminder sensor detects passengers and rear passengers, and senses whether the person on the seat is wearing a seat belt to avoid the risk of accidents. 【Sensitive Response】: Feel the pressure and trigger the seat belt reminder system. The seat belt sensor of the car seat is a thin-film contact sensor. The contacts of the sensor are evenly distributed on the force-bearing surface of the seat. A trigger signal is generated at the pressure. 【Easy to Use】: Assembled between the sponge and steel base, it is small in size, light in weight, high in reliability, easy to install and debug, and easy to maintain. 【Reminder Device】: The seat belt reminder system in the car will trigger a warning light or a bell to remind occupants who are not wearing seat belts to fasten their seat belts.Remind you to fasten your seat belt to ensure your own safety. 【Safe and Reliable】: Provide maximum safety for car passengers, reliable work, stable performance, and improve safety. Features: 1.The seat belt reminder sensor detects passengers and rear passengers, and senses whether the person on the seat is wearing a seat belt to avoid the risk of accidents. 2.Feel the pressure and trigger the seat belt reminder system. The seat belt sensor of the car seat is a thin-film contact sensor. The contacts of the sensor are evenly distributed on the force-bearing surface of the seat. A trigger signal is generated at the pressure. 3.Assembled between the sponge and steel base, it is small in size, light in weight, high in reliability, easy to install and debug, and easy to maintain. 4.The seat belt reminder system in the car will trigger a warning light or a bell to remind occupants who are not wearing seat belts to fasten their seat belts.Remind you to fasten your seat belt to ensure your own safety. 5.Provide maximum safety for car passengers, reliable work, stable performance, and improve safety. Specifications: Material: Plastic Plug Type: SM Plug AWG: 24AWG Size: Approx. 17.7*16cm/6.97*6.3inch Weight: Approx. 16g  Precautions: The current cannot be greater than 50mA. Package Included: 1 * Safety Belt Warning Sensor  Note: 1. Easy to install, but professional installation is highly recommended. 2. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. Package List