Works with Amazon Alexa/Echo Show/Fire TV/Google Assistant - View your live video with a simple voice command. Works with IFTTT, Samsung SmartThings, and moreOperating temperature:-4° to 113° F (-20° C to 45° C).100% Wire-free - Free of power cords and wiring hasslesWeather-resistant - Arlo Pro cameras are weather-resistant so you can place them anywhere-indoors and outRechargeable Batteries - Arlo Pro cameras include rechargeable batteries that support fast charging2-Way Audio - Built-in mic and speaker enable push-to-talk capability, so you can listen in and talk back7 Days of Free Cloud Recordings - Arlo Pro comes with recurring 7-day free cloud recordings Live stream or view recorded video and audio for up to 7 daysIncluded - 3x Wire-free HD cameras with audio 4x Rechargeable batteries 1x Camera power adapter 1x Camera power cable 1x Base station with a built in siren 1x Ethernet cable 1x Outdoor Mount 3x Wall mounts 2 Wall mount screw sets 1x Quick start guide 2x Window DecalsArlo Smart adds powerful intelligence to your Arlo cameras. Customize alerts to detect people, specific zones, and contact emergency responders right from your smartphone's lock screen (optional service, includes 1-month trial)