Features of hand warmer/hot pack HW-107:1) High quality electric hand warmer2) Unique anti-explosion equipment3) Heating inside4) Anti-breakage design for inner housing5) Auto temperature control for safety6) Rapid calefaction time 5 munite7) Auto switch off when reaching 70 dgree.Specifications:220V 50Hz 450W CE CertificateOuter packing: 1PC/CTNCarton: 250 x 200 x 50mmG. W: 1.00kgN. W.: 0.90kgConveyance:Qty/20' FCL: 11200PCSQty/40' FCL: 22400PCSQty/40' HQ: 27000PCS