Main Unit: Panasonic VL-MV190U Intercom with monitor function, AC100V power supply, with instruction manual. - Brand: Panasonic - Model: VL-MV190U - Accessories: Instruction manual - Type: Intercom - Function: Monitor function - Power supply: AC100V Sub-unit: VL-V564 The main unit was used indoors, so there are no noticeable stains or scratches. The sub-unit shows signs of aging. In particular, the lens area is yellowed, and the image is unclear. It was used until replaced in November 2025. It was used for 17 years, starting in 2008.