Please Note This is a very innovative product, there are many factors which cause the cradle not to function properly mainly the wrong number of springs used, did not reset the timer and most importantly the cradle is non rechargeable type. It need power supply at all time in order to operate. Please Drop us a message if there is anything you are unsure of before you buy, we will try our best to advise and help. We are responsible Seller and we hope our customer are responsible buyer too. Please don't put in any negative review and ask for refund before we can do anything to help you. Thank you for your kind understanding. #Spring #cot, #yaolan #hammock , #sarong , #buaian, #electronic #cradle #portable #bed #auto #swing #electric cradle, #yao lan , #premium cradle, #crib