Model: GR-QS GRO-QS-4 6 8 193967 193969 193970 Color classification: GR-QS-4 GR-QS-6 GR-QS-8 GRO-QS-4 GRO-QS-6 GRO-QS-8 1.Package: 1PCS 2. Warranty period: 120 days