PVS-2B-45W3S1-12 PVS-2B-45W3S1-E20 PVS-2B-45W3S1-Z-12 PVS-2B-45W3S1-Z-E20 PVS-2B-45W3S2-12 PVS-2B-45W3S2-Z-E20 PVS-2B-45W3S3-E20 PVS-2B-45W3S3-Z-E20 PVS-2B-45W3S4-12 PVS-2B-45W3S4-E20