Legrand MicroRex QW31, analog weekly timer with quartz motor (accuracy +/- 2.5 sec/day, power reserve 100 hours), for installation in distribution boards, 1 channel, operating voltage 230 V 50/60 Hz, with manual switch: ON-automatic-OFF, with captive switching segments, pointer can be rotated forwards and backwards, making it very easy to set summer and winter time, for example, cover can be sealed, shortest switching time: 4 hours. Switching output: 1 changeover contact.