DAHUA Wireless Dual-Tech Detector (DHI-ARD2231-W2(868))

Wireless Dual-Tech Detector

• Pet immunity function. 
• Auto temperature compensation. 
• 3-level sensitivity adjustment. 
• Displays the temperature of the surrounding environment and supports the overheating alarm. 
• Frequency hopping and two-way communication technology ensure that communication is stable. 
• Supports cloud update and automatically restores when cloud update fails. 
• PIR and microwave motion detection. 
• Supports jamming detection and communication encryption.