TM/RC/1216 are timer remote controllers which can be used to fix blind””s/curtain””s operating time as per the requirement i.e. if you want to open a blind/curtain at 6 a.m. & close it at 8 p.m. you can do it via timer function in this remote controller also single remote controller can be used for programming up to 16 blinds/curtains in a group or individually with different timing for each blind/curtain.