Theben SUL181d analogue timer 1810011Efficiently manage your household's energy usage with Theben SUL181d analogue timer. Benefit from precise timing control with 96 switching segments and a 1% time accuracy, saving you up to 20% on energy costs. The compact design allows for easy installation and programming. Function description Analogue time switch 1 channel Daily program With power reserve (NiMH rechargeable battery) 96 switching segments Quartz controlled Shortest switching time: 15