LIVALL Unisex Bh51t Neo Cycle Helmet, Black, 57 61cm UK

Bright front and back LED lights make you more visible from all directions. Brake warning lights are activated when the built-in gravity acceleration sensor detects a significant deceleration, the front and rear lights will be enhanced for 8 seconds to draw attention from surrounding traffic. Fall detection alert means in the event of an accident, the emergency system will kick in automatically and send your GPS location to your emergency contacts via SMS message. Indicator signals allow you to alert traffic of your turning direction to enhance your visibility. Smart lighting means the lights can be set to come on automatically in dark conditions, perfect if your commute starts out in good light but ends in darkness.