Polyamide-reinforced polyacrylate polymer compositions comprising a continuous polyacrylate polymer phase and a discontinuous polyamide phase are produced by a melt mixing process. This automatic activation often decreases the time it takes the operatorparticularly an inexperienced or anxious operatorto set up and use the AED to resuscitate a patient in cardiac arrest. The accessory module encompasses an antenna and a forward facing camera. This weighed luminance level is used as a tuning parameter for tuning the emitted light at the installed light sources such that the weighed luminance level at each of the different measuring areas substantially matches a pre-defined target luminance level at the different measuring areas.