1. Easy to read LCD display, LED indicators. 2. 16 ON/OFF programs per day, 15 combinations to a week. 3. 24 hours / a week programmable. 4. Countdown function. Max 24 hours countdown to OFF. 5. Replace battery CR2032 for back-up the memory (save the programs you set) when power failure. Repeat programs with 16 on/off settings, and setting on/off manually. For household use in 35mm DIN Rail mounted. 6. Clock display (12hr/24hr format) 7. Timer 8. Countdown 9. Power Supply: 220V AC 50/60Hz 10. Capacity: 16A 11. Timing Range: 1min~168hours 12. Programs: 16 ON/OFF per day 13. Power consumption: Less than 5VA 14. Black-out: 90 days 15. Average error: Less than 2sec/day 16. Temperature range: -10~50 Celsius 17. Humidity: Less than 95% 18. Installation: 87 x 65 x 36mm 19. Model Number: TM919A-2 20. Usage: Industrial 21. Digital 22. Type: Mini 23. Replace Battery: CR2032 for saving programs 24. Output: Switch Output 1NO+1NC 25. color: White 26. Material: ABS 27. Package Contents: 1 x Timer Switch TM919, 1 x English Manual. Only the above package content, other products are not included. 28. Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.