The Dell E2223HN is a 21.45" (54.5 cm) monitor for use at home and in the office. Dell Display Manager facilitates efficient and organised working while ComfortView protects your eyes against harmful blue light for more comfort. Other highlights: - Tilts -5° to 21° - Crisp and clear visuals with a high contrast ratio - Fast response time - PowerNap darkens the screen or puts it into standby mode when not in use - Narrow monitor bezel We recommend: Security lock slot (cable lock sold separately), anti-theft stand lock slot (to panel)