1. Easy to read LCD display, LED indicators 2. 16 ON/OFF programs per day, 15 combinations per week 3. 24 hours / 7 days a week programmable 4. Countdown function. Max 24 hours countdown to OFF 5. Replace battery CR2032 for memory backup (saves programs during power failure) Repeat programs with 16 on/off settings, and manual on/off control Suitable for household use, 35mm DIN Rail mounted Functions: 1. Clock display (12hr/24hr format) 2. Timer 3. Countdown Parameters: 1. Power Supply: 220V AC 50/60Hz 2. Capacity: 16A 3. Timing Range: 1min ~ 168 hours 4. Programs: 16 ON/OFF per day 5. Power consumption: Less than 5VA 6. Black-out memory: 90 days 7. Average error: Less than 2sec/day 8. Temperature range: -10~50 Celsius 9. Humidity: Less than 95% 10. Installation dimensions: 87 x 65 x 36mm Model Number: TM919A-2 Usage: Industrial: Digital Type: Mini Replace Battery: CR2032 for saving programs Output: Switch Output 1NO+1NC Color: White Material: ABS Package Contents: 1 x Timer Switch TM919 1 x English Manual Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3cm.