YEECORE D12 User Manual page 9

Optional Accessory
■ Hardwire Kit A21 (approx 16.5 ft)
By connecting the car battery directly from the vehicle's
ACC line, the dash cam can be in powered without using
the car's cigarette charger port in parking monitoring
function.
※ The hardwire kit (A21) with 5V converter (buy extra
ASIN B09DSK58MW) is necessary to activate the
parking monitor.
Link to A21
5