Designed for best comfort and accuracy For use with adults and juveniles Polyamid (PA12) housing - therfore light weight but extremely durable, biocompatible Air-cushioned biocompatible silicon pads for longer application on patient finger No popping out of spring possible - constant spring force even after long time of usuage Biocompatible TPU/Santoprene cable Gold plated connector pins Kevlar reinforced and metal shielded cable with strain relief Latex and PVC free