Both brake lights and tail lights are critical to road safety. If any of these don't work, other drivers behind you won't be able to see if you're moving. It can lead to serious accidents, especially during driving at night, at dusk or in bad weather such as rain and snow. Headlights are essential in cars because they can help you improve road safety. While driving a vehicle without taillights, someone may accidentally hit you from behind. visit website here:https://www.suncentauto.com/sealight-s1-9007-hb5-white-led-headlight-bulb-hilo-beam-2pcs.html