N-Com presents the exclusive ESS - Emergency Stop Signal - system. ESS: GET YOURSELF NOTICED! ESS can be seamlessly integrated into compatible helmets without affecting comfort or aerodynamics. N.B.: The ESS system can not be installed if the helmet is already equipped with a N-Com integrated system. Emergency Stop Signal function: signalling of sudden braking by means of a LED light with high intermittence Stable rear light function: fixed LED lamp for visibility Intermittent light function in case of poor visibility. Built-in triaxial accelerometer Exclusive algorithm that calculates the acceleration Adjustment of the braking sensitivity level fits for: N104/ABSOLUTE/EVO – N87 - N44/EVO – N40/FULL/-5 GT/-5 - N70-2/GT/X