Size: 9.5 x 10.8 x 20.4cm (3.7 x 4.2 x 8.0). Weight: 480g (16.9oz) (Including 1 AA alkaline battery).Chime works every hour and every 30 minutes. Chime does not work in the dark due to the light sensor. So it won't disturb your sleep. Do not use a rechargeable battery. The item should be unused with all original materials. The item "MUJI LIMITED EDITION GREEN CUCKOO CLOCK MJ-CCG1 HANDMADE BELLOWS WITH TRACKING" is in sale since Friday, February 9, 2018. This item is in the category "Home & Garden\Home Décor\Clocks\Other Home Décor Clocks".life" and is located in Kagoshima. This item can be shipped worldwide.