Answer your door from your lounge. Let your wireless doorbell ;do the hard work. Watch video of who is at your door. Is it your in-laws or perhaps a parcel? Hop up or keep resting. Sometimes you might not want to answer your door. Maybe you are not even home. Your smart doorbell gives you an extra measure of safety. See who is at the door. Pretend nobody is home if you want to. Visitors are recorded ;and stored for 24 hours when someone presses the doorbell chime ringer (or permanently on an SD card). Even at night-time, you can see who your visitor is. Pay for a cloud account for longer-term storage. Connect wireless security doorbell to your phone. Reduce false alerts with AI human detection. You will never miss a visitor. Connect your doorbell up to your 2.4Ghz Wi-Fi network. Either screw ;in your intercom doorbell or unpeel and stick ;to your wall. Do the same with the ringers inside. The battery for your intercom can last half a year and only takes 90 minutes to charge. Key features Wireless video doorbell with indoor chime Live video intercom 720P HD camera with auto night vision APP install and remote monitoring 2.4GHz Wi-Fi connection 120 wide angle view PIR monitoring and motion detection Intelligent human detection Free cloud photos (24 hours) and SD card storage for playback 90 day runtime Screw or adhesive mounting choice Note 1: Storing images or video for more than one day needs a cloud account. Note 2: ;Class10 or higher TF card required. - SPECIFICATION:Brand: Kvenland Materials: ABS Resolution: 1280x720 (720P) Viewing Angle: 120 degrees (diagonal 160 degrees) Wireless connection: Only 2.4GHz Wi-Fi (not compatible with 5GHz) Storage type: Cloud storage (images free current day) / SD card storage(max 128GB, not included) Battery Type: 18650 Rechargeable Battery: 4000m - Ah (2 x 2000m - Ah) Day/ Night Mode Switch: Automatic Full charging time: 1.5 hours Standby time: Max 90 days Working time: Max 90 days Working current: 120m - A Infrared working current: 400u - A Standby current: 10m - A USB charging voltage: DC 5V/1.5A Temp range: -10C to 60C Mounting type: Drill and adhesive mounting Dimensions:5cm x 2.5cm x 14cm-Doorbell,4.5cm x 1.5cm x 4cm-Receiver ;(L x D x H) Colour: White PACKAGE CONTENT:1 x Wireless Video Door Bell 1 x Indoor USB Chime 1 x Installation Stickers 1 x Set of Screws 1 x Instruction Manual