Timer Functionality: Start/stop timer, automatically records overtime hours. Real-time display of elapsed time. Quickly add records. Preset templates: 2 hours at night, 3 hours at night, 4 hours on weekends. Custom addition: Manually select date, start/end time, type (weekday/weekend/holiday), and remarks. Record Management: View all overtime records. Delete records. Statistical Analysis: Today's statistics: Displays daily duration, number of times, and income. Statistical analysis: View total duration, number of records, and overtime pay by day/week/month. 7-day trend chart. Generate and share monthly reports. Overtime Pay Calculation: Hourly rate, weekday multiplier, weekend multiplier, and holiday multiplier can be set. Automatically calculates overtime pay.