Convenient Panasonic door monitor with monitor function, no wiring required. Easy door monitor, no internet connection needed. Operation confirmed. Ready to use immediately. Everything is included. Requires 4 AA batteries. This is a used item, so please refrain from purchasing if you are concerned about minor details or are seeking perfection. No claims, no returns, please. - Brand: Panasonic - Model Name: VL-MDM100-W - Accessories: AC adapter - Features: Monitor function - Operation buttons: ON/OFF button Thank you for viewing.