The Milwaukee L4HBLB-301 Is a large usb rechargeable base layer. The base layer has 2 heat settings and a max 180 minute run time on the low setting. The base layer gives chest and back heat and is machine washable. L4HBLB-301 large base layer 1 x L4 B3 Battery Pack 100% polyester fully heats up in 2.5 minutes heat to chest and back 2 heat settings 180 minutes run time on low setting machine washable

Brand Name	Milwaukee
Manufacturer Model No	4933478461
Item Group ID	56712
Shipping Weight	1.00kg
GTIN	4058546346522