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. Functions: ⑦. Clock display (12hr/24hr format ⑧. Timer ⑨. Countdown ⑩. Parameters: ⑪. Power Supply: 220V AC 50/60Hz ⑫. Capacity: 16A ⑬. Timing Range: 1min~168hours ⑭. Programs: 16 ON/OFF per day ⑮. Power consumption: Less than 5VA ⑯. Black-out: 90 days ⑰. Average error: Less than 2sec/day ⑱. Temperature range: -10~50 Celsius ⑲. Humidity: Less than 95% ⑳. Installation: 87 x 65 x 36mm ㉑. Model Number: TM919A-2 ㉒. Usage: Industrial ㉓. Digital ㉔. Type: Mini ㉕. Replace Battery: CR2032 for saving programs ㉖. Output: Switch Output 1NO+1NC ㉗. color: White ㉘. Material: ABS ㉙. Package Contents: ㉚. 1 x Timer Switch TM919 ㉛. 1 x English Manual ㉜. Only the above package content, other products are not included. ㉝. Note: Light and different displays may cause the color of the item a little different from the real thing. The measurement allowed error is +/- 1-3cm.