... rechargeable NI-MH battery to keep the data when power off 3.UL Weekly digital timer1) ... Technical data:125V,160Hz 5A Resisitive 2) Setting:1 Miniutes On/Off,8 On/Off ... . setting:7 days3)Certificate:CE, RoHS,UL approvalFeature:1. With AM/PM display,and summer& winter time ... rechargeable NI-MH battery to keep the data when power off Package: 1.48PCS/CTN / GW:14KGS /NW:10KGS ...