NOW PACKAGED WITH BATTERY-LESS INSERT. Requires ADC-VDBA-770BAT for digital chimes only. ADC-VDB770-S includes: backplate with wire extenders (1), mounting brackets (3), wall screws (2), wall anchors (2), machine screws (2), wire connectors (4), power module (1). It DOES NOT INCLUDE: AC or DC transformer or doorbell chime (needs to be purchased separately). Made in Thailand.
