Roller shutter weekly clock/timer 50 x 50 mm insert with cover for flush mounting, suitable for standard opening, article no. xx.670.xx ZV function roller shutter weekly clock: Auto summer/winter time, for a motor 1000 VA with limit switches, up and down times per day or in 2 blocks for Mon-Fri and Sat-Sun programmable, random generator, option to change from manual operation to automatic operation, running time 60 sec., changeable from 1-180 sec., power reserve 1000 hours with battery, reset function to factory settings, 230 V~, 50 Hz, neutral conductor required, with extension inputs, observe the motor manufacturer's instructions.