Alarm Clocks The SUPER RAIDEN series, famous for its loud volume These are three alarm clocks that have been replaced after serving their purpose, due to issues such as the alarm sound being quiet or not working. I haven't checked the individual conditions, but one of them has its clock function working with batteries inserted. Please consider these as junk items. For those who repair or take parts - Models: NR523K, BC401K, BC401K - Functions: Thermometer, hygrometer, alarm function - Design: Simple and modern design - Operation buttons: MIN, MID, SUPER adjustment buttons - Power source: Battery operated Bundle sale Anonymous delivery