Safety chains
You should always attach chains between your vehicle and your trailer. Cross
the safety chains under the tongue of the trailer so that the tongue will not drop
to the road if it becomes separated ...
Specifications
Specifications
ItemsSpecificationsRated voltageDC 12VOperating voltageDC 9 ~ 16VOperating temperature-104°F ~ 185°F (-40°C ~ 85°C)Dark currentRKE : 2mASMK : 1.5mAKeyless : 1.5mA
...