Video Door Bell T31 by Tyua Dual WIFI Video Doorbell Camera 5G/2.4GHz Outdoor Door Bell Waterproof IP68 Intercom Smart Home Wireless Door Phone Camera Dual WiFi Video Doorbell Camera 5G/2.4GHz Outdoor Door Bell Waterproof IP68 Intercom Smart Home Wireless Door Phone Camera Receive notification, vedio call, remote monitor etc via smart life & Tuya Smart APP on your Phone Tablet anywhere and anytime If anything changes at the door, record it immediately and send it to your phone. 180 ° diagonal super large viewing angle4*940nm high-power infrared fill lights When someone rings the doorbell, they can have a two-way conversation with the visitor through their phone or Xiaoai touch screen speaker.