We ship 1 car seat to the same Skilled crash test facility the National Highway Transportation Safety Association (NHTSA) utilizes for testing. The seats undergo Skilled crash testing using the right size crash test dummies and sensors. We run a slightly hotter (speedier) test as opposed to federal regular and https://flenzy.store/360-4-channel-hd-dash-cam-with-night-vision-gps-wifi/