1).For outdoor sports such as bike,helmet,gun 2).With CMOS image sensor 3).Waterproof FeaturesProfessional hands-free helmet camera ... .Easy installing, especially on helmet, bike and shotgun.Suitable for biking, skiing, skating, horsing, surfing, boating, hunting. ... cmWeight64 gramsRemark:We don't sell this outdoor sports camera to UK,Ireland and Finland! Waterproof outdoor sports helmet camera