[4-inch high-definition multi-touch screen] - 4-inch high-definition LCD display, supports multi-touch, equipped with light sensor, screen saver, screen wake-up, voice wake-up, touch wake-up are all available, perfectly adapted to modern life. Embedded design, compatible with European standard bottom box, easy to install. [Extreme compatibility] - A powerful central control device that can manage all Tuya devices and scenes in a unified manner. One-touch control of switches, sockets, sensors, lights, curtain switches and other devices, and supports quick triggering of scenes. [ device synchronization function] - Supports synchronization of all devices with different protocols in Life/Tuya APP to the control panel, realizing -protocol centralized management. [Two-way call function] - Supports two-way voice calls. After creating a family group, you can talk with your family members instantly through the panel., Weight: 0.59083886216 Pounds, Manufacturer: NONDK