New Underground Electric Dog Pet Fencing Fence Shock Collar by Rujjshop Package included : 1 X Indoor wall-mounted transmitter 1 X 12V Power plug 1 X Adjustable receiver collar 1 X 6 Volt 4LR44 battery for collar 1 X 300 Meter Roll of fence Wire 2 X Extra metal contact points 20 X Training flags 1 X Test bulb 4 X Screws 1 X User&apos;s manual