This is brand new and unopened. Model VMS4230.
There are loads of features so please check online reviews to ensure they will be suited to your needs. Also you can email me for further info if required. Here are some of the features:
1. Works with Amazon Alexa/Echo show/fire TV - view your live video with a simple voice command
2. 100% wire-free (requires connection to the internet); free of power cords and wiring hassles with rechargeable batteries
3. Weatherproof - so you can place them anywhere indoors and out
4. Two-way audio - built-in mic and speaker enable push-to-talk capability, so you can listen in and talk back
5. 7 days of free cloud recordings - live stream or view recorded video and audio for up to 7 days

Package Includes : (2) Wire-Free HD Cameras with Audio, (2) Rechargeable batteries, (1) Camera power adapter, (1) Camera power cable, (1) Base station with a built in siren, (1) Ethernet cable, (2) Magnetic Wall mounts, (1) Wall mount screw set, (1) Quick start guide, (1) Window decal
If they detect motion, you are sent notification to your phone and can then view the recorded video clips.
Collection only.