Designed for those who want to maintain control of their entrance without the constraints of wiring, the 7-inch EZVIZ SD7 touchscreen installs indoors on a wall and operates entirely wirelessly. Its 4,600 mAh rechargeable lithium-ion battery (USB-C charging) ensures comfortable battery life, while integrated video allows you to view visitors directly on the screen. With up to 20 customizable ringtones and the simultaneous connection of 30 EZVIZ devices, this monitor transforms into a true smart home hub. In black plastic, it integrates discreetly into any interior. Compatible with 12-24 VDC, it is covered by a 2-year warranty.