1. Easy-to-read LCD display, LED indicators. 2. 16 ON/OFF programs per day, 15 combinations per week. 3. Programmable 24/7. 4. Countdown function. Maximum 24-hour countdown to OFF. 5. Replace the CR2032 battery to save memory (save the programs you set) during power outages. Repeat programs with 16 on/off settings and manually set on/off. Perfect for home use on a 35mm DIN rail. Features: 1. Clock display (12H/24H format) 2. Timer 3. Countdown Parameters: 1. Power supply: AC 220V 50/60Hz 2. Capacity: 16A 3. Timer interval: 1 minute to 168 hours 4. Programs: 16 ON/OFF per day 5. Power consumption: less than 5VA 6. Power failure memory: 90 days 7. Average error: less than 2 seconds/day 8. Temperature range: -10~50 Celsius 9. Humidity: less than 95% 10. Installation: 87 x 65 x 36 mm Model Number: TM919A-2 Usage: Industrial Theory: Digital Type: Mini Battery Replacement: CR2032 to save programs Output: 1NO+1NC switching output Color: White Material: ABS Package Contents: 2 x Timer Switch TM919 2 x English Manual Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3 cm.