ARD1731-W2-868 is a wireless PIR motion detector with a built-in 2MP camera, ideal for video verification of intrusion alarms in indoor environments. It offers images up to 1600×1200 pixels, IR night vision up to 12 meters and RF-HD transmission up to 300 meters. The two-way communication at 868 MHz reaches 1600 meters in open field, with AES128 encryption, Frequency Hopping and Tamper protection. Powered by 3 CR123A batteries, it supports cloud updates and low battery reporting. Dahua