About Your Monitor | 13MHL Source Display ModesElectrical Specifications*Qualified Compatible AC/DC adapters.**The AC source must be using chroma 6530 3KV source or other same level AC source.CAUTION: To avoid damage to the monitor, use only the adapter designed forthis particular Dell monitor.Display Mode Frequency (Hz)640 x 480p 60720 x 480p 60720 x 576p 501280 x 720p 601280 x 720p 501920 x 1080i 601920 x 1080i 501920 x 1080p 301920 x 1080p 601920 x 1080p 50720 (1440) x 480i 60720 (1440) x 576i 50Model S2415HVideo input signals • Analog RGB, 0.7 Volts +/- 5%, positive polarity at 75ohm input impedance• HDMI 1.4 (MHL 2.1), 600mV for each differential line,100 ohm input impedance per differential pairSynchronization inputsignalsSeparate horizontal and vertical synchronizations,polarity-free TTL level, SOG (Composite SYNC ongreen)AC/DCadapter*Input voltage/frequency/current100 -240 VAC / 50 or 60 Hz + 3 Hz/1.7 A (maximum)Outputvoltage/currentOutput: 19.5 VDC / 3.34 AInrush current 115 V/230V: 150 A (Max.)**