- Automatic sunrise and sunset calculation
- Automatic DST (Daylight Saving Time) switching
- 24/7 programming based on city name and geographical coordination
- Thanks to long-life battery, no need to adjust location and time at power failure
- Password protection
- Vacation mode (DTR-20/20M/20S/20TS)
- Modbus RS-485 communication (DTR-20S/20TS)
- 15 or 32 programs and precise timing
- 1 x 16A or 2 x 16A CO relay outputs