This days countdown clock can provide you a very long time countdown. The max count days is 1000 days(999 days 23 hours 59 minutes 59 seconds)! You can use it to countdown a long term events, retirement days countdown, etc. The digit character is 1" high, the overall size is 38x10x4cm and the weight is 0.64kg. Also the silkprint words Days Hours Mins Secs makes the clock much clear to read. It works under 5VDC, the power adapter is 100v-240vac input and 5VDC output. Low power consumption. The control method is by IR remote. The control distance is around 5 meters, this is pretty helpful especially when the clock is mounted out of reach. The brackets comes with the clock are screwed to the both sides of the clock. You can either mount to wall or hang it to a ceiling. We provide one year warranty time and 30 days return&replace service for any defective item and pay for the shipping cost. But please be aware that we don't pay for the shipping cost in the two conditions: 1. A problem caused because of your mishandling; 2. Just want to return & refund or exchange but the clock has no any problem. Also, please note: 1. We ship the item by courier and battery is not allowed. So, we need to take out the battery of the remote control. You can buy it yourself from your local store. 2. When clear the customs, you may pay a little imported taxes or duties. It's around 5%-10%, most 15% imported to United States. We usually quote a lower value on the invoice so that you will pay less or pay null to the customs. If you buy more than 5 pieces, please contact us, there will be a little discount for you.