Feature: 1. It supports two-way intercom, temperature display, and music playback. 2. Large‑capacity lithium battery (2100MAH), the display can be connected for 8 hours work. 3. Infrared distance of 5 meters, wireless distance of 250 meters in open areas. 4. Equipped with a display desktop charger, can be charged vertically, with a crescendo alarm. 5. The screen can be turned off by voice and manually, which is a power‑saving design. 6. The night light design on both sides of the camera supports up to 4 cameras. Specification: Condition:100% Brand New Item Type: Baby MonitorMaterial: ABS + Electronic Components Display Battery Model: Lithium battery (included) Display Battery Capacity: 800mAh Camera without battery Camera Size: Length: Approx.12.5cm/5in Width: Approx. 6.5cm/3in Screen Size: Approx.13 x 7 x 2cm/5.1 x 2.8 x 0.8in. Package List: 1 x Camera1 x Display Screen2 x Plug1 x Manual1 x Display Base Note: Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.The wireless distance mentioned here will change due to environmental changes. It can only be used as a reference value and is not unique. The wireless will be affected by other interference factors in the environment.