Dahua Security ARD2251E-W2(V) Dahua Wireless External PIR-Camera (Only compatible with ARC3800H series)

Wireless Triple-Tech Detector performs high precision detection using PIR, microwave detection technology, optical technology and intelligent algorithms. It also eliminates interference caused by small animals, the ambient temperature and changes in the light to ensure that the detector accurately recognizes when people move, even in complex environments. When combined with the camera module, its capabilities expand allowing you to both monitor your scene through videos and images, and check alarms in real time. You also receive alarm notifications when alarms are triggered, so that you can stay up to date on the situation of your site.

Features:
• Supports anti-masking detection.
• Supports moving detection to prevent someone move or detach device.
• Supports video verification.
• Pet immunity: up to 80 cm, 40 kg.
• Supports environment temperature monitoring.