Features The seat safety belt reminder sensor detects occupants in passenger and rear seats To feel the pressure and trigger the safety belt reminder system A safety belt reminder system in the vehicle triggers a warning light or an audible bell ring, reminding unbuckled seat occupants to fasten their safety belts Assembled between the sponge and the steel base Provides maximum safety for passengers in car Description:Safety belts are part of a passive safety system and are mainly intended to reduce injuries by preventing car occupants from hitting hard interior elements of the vehicle, hitting other passengers. This car safety safety belt pressure senor is an useful accessory to remind you fasten the safety, ensuring security. Features:The seat safety belt reminder sensor detects occupants in passenger and rear seats.To feel the pressure and trigger the safety belt reminder system.A safety belt reminder system in the vehicle triggers a warning light or an audible bell ring, reminding unbuckled seat occupants to fasten their safety belts.Assembled between the sponge and the steel base.Provides maximum safety for passengers in car.  Specifications:Condition: Brand NewMaterial: PlasticPlug Type: SM PlugAWG: 24AWGSize: Approx. 17.7*16cm/6.97*6.3inWeight: Approx. 16g 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