Evo wireless doorbell with AI technology and portable indoor chime. Features HD camera with 140° viewing angle and 1296p resolution. Ambient light conditions capture HD colour video, with night vision in B/W. Includes 2-way audio and capability to receive reliable alerts. Add a MicroSD card to save recorded clips for free (sold separately). Operate remotely using SwanShield AI Voice Assistant. Works with - iOS App - Android App Battery-Powered Bell Push & Chime 5m IR/Night Vision Range Camera Resolution: 1296p 6 Melodies Adjustable Volume with Mute Function Real-Time Viewing & Video Record Hub Not Required Works with - iOS App - Android App Battery-Powered Bell Push & Chime 5m IR/Night Vision Range Camera Resolution: 1296p 6 Melodies Adjustable Volume with Mute Function Real-Time Viewing & Video Record Hub Not Required