Features Wireless Design: This Doorbell Camera Is Designed for 2.4g Wifi (5g Wifi Is Not Supported), Comes with Free 38 Doorbell Ringtones for You to Choose from, Making Sure You Never Miss A Visitor No Matter Where You Are. Smart Motion Sensing: This Visual Doorbell Allows You to Get Instant Alerts of Detected Motion on Your Mobile Device, Keeping You Informed of Any Activity Outside Your Home. Adaptive Infrared Night Vision: This Visual Doorbell Has Infrared Night Vision, Which Can Automatically Change Between Daytime And Nighttime Modes, And Hd Infrared Night Vision Makes You to See The Visitors in The Dark Night. Real Time 2 Way Communication: This Visual Doorbell Supports Two Way Voice Communication, You Can Easily Interact with Visitors from Anywhere for Seamless Real Time Interaction. Simple Installation: This Visual Doorbell Adopts Cordless Installation, Which Is Not Bound by Wires, And Does Not Need to Punch A Hole, And Does Not Damage The Original Decoration, So It Is Portable And Practical. Specification: Item Type: Wireless Doorbell Camera Material: ABS, PC Battery: Polymer Battery x 1, Battery Capacity: 800mAh ( Shipped With Built In Battery ) Charging: Type C Charging Port Application: for Tuya Package List: 1 x Doorbell 1 x Doorbell Receiver 1 x Adhesive Sticker 2 x Screw  2 x Expansion Tube 1 x USB Cable 1 x Manual Package List 1 x Doorbell 1 x Doorbell Receiver 1 x Adhesive Sticker 2 x Screw 2 x Expansion Tube 1 x USB Cable 1 x Manual