±0.5% + 1 digit

Some versions include a "Random" mode (often activated by pressing two buttons simultaneously, like Week and Hour ). This varies your schedule by 10–30 minutes to make a home look occupied while you're away. Technical Specifications Timer Digital Ipsa Te 102 | MercadoLibre

to cycle through day options (e.g., individual days, Monday–Friday, or the entire week). Set "ON" Time to choose when the device should turn on. Set "OFF" Time again to see

Open the front cover or side DIP switches. Set switches to match desired unit and max range.