The indicator places levels on the chart: day and week high, day and week low. When the price crosses the high's level upwards or the low's level downwards, the indicator beeps and send a notification (alert) indicating a direction and an instrument by which crossing has occurred.

Visual parameters:

• DrawCrossPoint - drawing points of intersection of levels by the price.
• DayWidth - daily level width.
• ColorDayHigh - color of daily high level.
• ColorDayLow - color of daily low level.
• WeekWidth - weekly level width.
• ColorWeekHigh - color of weekly high level.
• ColorWeekLow - color of weekly low level.