Head detectora autoadjustable of 8 to 50/100 meters for extension of F5000R. Designed, made and certified under norm EN54-12. With certificate of homologation LPCB. Head detectora composed of infrared issuer and recipient and a mirror reflector for scope of up to 50 meters. Adding the kit of 3 mirrors reflectors (I shape KIT F5000R-X) the scope comes to 100 meters. It needs of unit of control, included in the reference F5000R.