DoorKing 4001-037 Lock and Key Replacement Set (16120) replacement-battery offering 100% duty cycle performance Select Model:8068-085 - DK Prox It is intended for BX-4 lock

offering 100% duty cycle performance and a battery backup that provides up to 100 full cycles in the event of power loss

150 GHz frequency for superior motion detection accuracy and speed

these hinges provide smooth

creating a visible traffic control surface while protecting internal spike mechanisms from road debris and vehicle contact

If you are repairing a DoorKing 1802-EPD telephone entry system and need the correct outer enclosure shell

DoorKing 4001 037 Lock and Key Replacement Set (16120) replacement battery offering 100% duty cycle performance Select Model:8068 085 DK Prox It is intended for BX 4 lock offering 100% duty cycle performance and a battery backup that provides up to 100 full cycles in the event of power loss 150 GHz frequency for superior motion detection accuracy and speed