Equipped with a 2.4-inch high-definition display screen, cat eyes made of all metal zinc alloy material and polished, a 2-megapixel professional security grade day and night dual-use monitoring camera, high-definition infrared night vision, it can also protect your safety at night. Home mode, mode, and Away mode allow you to better receive doorbell reminders and pending tasks in different situations. 160 degree ultra wide angle, system memory intelligent cleaning and saving function, built-in multiple ringtones to meet your personalized needs. Power Supply:3 x AAA battery (Not included batteries) Color:Black Material:Zinc alloy Package Contents: 1set * intelligent visual doorbell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.