vtech - Contemporary SIP 1-Line Accessory Handset with Charger | 4 Programmable Speed Dials on HS (dedicated MESSAGE and EMERGENCY button) (CTM-C4402) | Spkr on HS | Key Sticker on HS | Antibacterial Plastic | 6VDC Upright Charger (C4012) | Requires : CTM-S2412 or CTM-S2415 or CTM-S2110