Based on this product's specifications, here are some alternatives and similar models
Teeth whitening system RING White Pearl — gel 50 ml, liquid 100 ml, paste 30 ml
Summary description:
RING White Pearl Triple Action Teeth Whitening System includes gel (50 ml), liquid (100 ml) and paste (30 ml). Designed for at-home tooth whitening, the three-component set combines a whitening gel, preparatory or activating liquid and a finishing paste to help reduce stains and improve tooth brightness. Suitable for regular users seeking gradual whitening and maintenance.