Volume is adjustable via a rotary knob, ensuring the perfect sound level. The clock defaults to 6:00 AM upon battery insertion, with an automatic silent mode from 10:00 PM to 5:59 AM, so you can enjoy peaceful nights Easily set the chime with the "SET" button, advancing by one hour per press. Choose from 4 sound options: a simple strike chime or three with a melody followed by strikes. The chime activates hourly from full hour after setup The battery-powered clock movement has a total shaft length of 0.53 in and a thread length of 0.22 in, suitable for clock panels less than 0.11 in thick This clock movement kit with chime features a quartz clock motor with a quiet sweeping movement, ensuring precise timekeeping and low power consumption. Note: Hands are made of aluminum, and excessive pressure during installation may cause bending, which can affect the accuracy of the movement The musical clock movement mechanism parts are great for repairing, replacing, or creating vintage grandpa clocks. This chiming clock movement repair set is suitable for home, office, living room, hotel, club, bar, etc, Weight: 0.25794084654 pounds, Manufacturer: Pomoflexi