Price Alert indicator for MT4 and MT5 by EarnForex.com.
Price Alert adds a lines and control panel to a chart. You can set three type of price levels and three kind of alerts.
The panel can be used to quickly set alert levels and turn alert types on/off.
A detailed description of the indicator is available here: https://www.earnforex.com/metatrader-indicators/Price-Alert/
If you have any suggestions for improvement of this indicator, please create an issue or submit a pull-request.