Based on this product's specifications, here are some alternatives and similar models
Electrode pad Therabody PowerDot 2.0 Hydrogel Red — self-adhesive, 2 pcs
Summary description:
Replacement electrode pads for Therabody PowerDot 2.0. Hydrogel construction provides reliable conductivity and skin adhesion. Self-adhesive, red colour, supplied as a pack of 2 pads in a hanging box. Designed for use with PowerDot 2.0 devices for muscle stimulation, recovery and pain relief. Practical for regular home or sports recovery use.