smart lock

Master Lock 4401DLH / 4401LHEC Bluetooth Outdoor Padlock

Master Lock 4401DLH / 4401LHEC Bluetooth Outdoor Padlock

Image: Master Lock.

$290expected, as an add-on

Spec sheet (PDF)Maker's page

Open the spec sheet
Dimensions2.22″ W × ?″ H × ?″ D
MountingShackle 11/32 in dia x 2 in long x 15/16 in wide; dimension drawing: https://cdn.masterlock.com/product/135/MLCOM_PROD_4401LHEC_06_Dimensions.jpg
MaterialMetal body with 2-piece weather cover; boron-alloy shackle
Finish / colorsBlack
Where it goes in UNIT5.xyzThrough the Janus door latch hole (latch accepts shanks up to 7/16"; this shackle is 11/32").
Warranty1-year limited
Checked2026-11-02