1. Easy to read LCD display, LED indicators.2. 16 ON or OFF programs per day, 15 combinations to a week.3. 24 hours or 7 days 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 or off settings, and setting on or off manually. Perfectfor household use in 35mm DIN Rail mounted.Functions:1.Clock display(12hr or 24hr format2.Timer3.CountdownParameters:1.Power Supply: 220V AC 50 or 60Hz2.Capacity:16A3.Timing Range:1min-168hours4.Programs:16 ON or OFF per day5.Power consumption:Less than 5VA6.Black-out:90 days7.Average error:Less than 2sec or day8.Temperature range:-10-50 Celsius9.Humidity :Less than 95 percent 10.Installation:87 x 65 x 36mmModel Number: TM919A-2Usage: Industrial: DigitalType: MiniReplace Battery: CR2032 for saving programsOutput: Switch Output 1NOand1NCcolor:WhiteMaterial:ABSPackage Contents:1 x Timer Switch TM9191 x English ManualOnly the above package content, other products are not included.Note: 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.