Feature: 1. HD Camera: This smart bike helmet comes equipped with a built in full HD camera with audio (supports maximum 128GB storage card, not included), wide angle 130° lens captures clear videos of your surroundings up to 1080P at 30fps. 2. Enhanced Safety: The helmet is equipped with a front light for nighttime rides and rear warning taillights with three lighting modes: quick flash, slow flash, and constant light, ensuring your safety at all times. 3. Waterproof and Long Lasting Battery: With an IPX5 waterproof design, you can ride through the rain without worry. It's fitted with a 1200MAH battery that supports approximately 8 hours of video recording. 4. Sturdy and Durable Construction: The bike helmet is made from ABS shell, EPS liner, PC lens, a combination that offers maximum comfort, lightweight design, and enhanced impact resistance for safer road use. 5. Multi Purpose Application: Perfect for capturing every moment during various activities, including electric bike riding, cycling, skateboarding, roller skating, skiing, ice skating, and more. Specification: Item Type: Smart Bike HelmetMaterial: ABS shell + EPS liner + PC lens.Battery: 1200mAh lithium battery (built in)Suitable Head Circumference: 54-63 cm/21.26-24.80in (size adjustable)Extended Memory: Maximum 128G memory card (memory card not included) Package List: 1 x Smart Bike Helmet1 x USB Cable1 x Manual