1. Easy to read LCD display, LED indicators.2. 16 ON/OFF programs per day, 15 combinations to a week.3. 24 hours / 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/off settings, and setting on/off manually. Perfectfor household use in 35mm DIN Rail mounted.Functions:1.Clock display(12hr/24hr format2.Timer3.CountdownParameters:1.Power Supply: 220V AC 50/60Hz2.Capacity:16A3.Timing Range:1min~168hours4.Programs:16 ON/OFF per day5.Power consumption:Less than 5VA6.Black-out:90 days7.Average error:Less than 2sec/day8.Temperature range:-10~50 Celsius9.Humidity :Less than 95%10.Installation:87 x 65 x 36mmModel Number: TM919A-2Usage: Industrial: DigitalType: MiniReplace Battery: CR2032 for saving programsOutput: Switch Output 1NO+1NCcolor: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.