Inclusion Criteria:  Have given written informed consent Be at least 18 years of age and have full legal capacity Have had a stoma for more than three months Have intact skin on the area used in the evaluation meaning no broken skin and only minor discoloration of the skin (assessed by investigator) Be able to use one of the five sensor layer sizes (i.e. Ø40, Ø50, Ø60, Ø70, Ø80 mm) Ileo- or colostomists with liquid output (Bristol scale type 6-7). Currently using a Coloplast product (1pc/2pc Flat/Convex/Concave) from e.g Assura/SenSura/SenSura Mio Have self-reported problems with leakage* (three times within 14 days) Have worry of leakage 'to some, high or very high degree' Is familiar with the use of a smartphone *Leakage: Leakage is defined as output from the stoma on the backside of the baseplate (underneath the baseplate)  Exclusion Criteria:  Currently receiving or have within the past 2 month received radio- and/or chemotherapy Currently receiving or have within the past month received topical steroid treatment in the peristomal skin area or systemic steroid (tablet/injection) treatment. Are pregnant or breastfeeding Participating in other interventional clinical investigations or have previously participated in this investigation. Exception: Participation in other Coloplast sponsored clinical investigations is accepted under the circumstances that the subject has paused the activities in the investigation and are otherwise complying with the inclusion and exclusion criteria of this protocol. Known sensitivity towards test product Known sensitivity towards acrylate Is using/have a pacemaker Is using ostomy paste or ostomy powder