Dahua DHI-ARD2251E-W2(868). Dahua triple technology radio detector. Detection range of 15m, 90°. Anti-pet and anti-masking functions. Digital temperature compensation. Sensitivity adjustable in 3 levels. Ambient temperature monitoring. Frequency hopping and bidirectional communication. Low battery detection. Supports PIRCam module to implement video verification. IP66 protection Dhi-ard2251e-w2(868).

• High-precision detection using PIR, microwave detection, optical technology and intelligent algorithms
• Eliminates interference caused by small animals, ambient temperature and light changes
• Can be converted to a PIRCAM using the optional camera module
• Notifications in case of alarm activation
• PIR sensor and microwave sensor
• Detection range 15 meters, 90° (installed at 1 meter)
• 0.3~2 ms detection rate
• Microwave frequency 24G
• Anti-pets up to 80cm / 40kg
• Anti-masking function
• White light resistance level of 10 000 lux
• Bidirectional digital temperature compensation
• PIR sensitivity adjustable in 3 levels
• LED indicator
• 868 ~ 868.6 MHz bidirectional radio communication
• Radio range up to 1.6 km in open field
• Frequency hopping
• AES128 encryption mode
• Tamper tamper
• Supports cloud update
• Powered by 4 CR123A batteries (lifetime up to 5 years)
• Consumption: 20 µA (operation) / 26 mA (average) / 250 mA (maximum)
• Low battery detection
• Storage temperature -25°C ~ +60°C (-25°C ~ +60°C)
• Operating temperature -25°C ~ +60°C (-25°C ~ +60°C)
• 10% ~ 90% relative humidity
• IP66 degree of protection
• Indoor and outdoor installation environment
• Wall or mast installation
• Installation height of 0.8 ~ 1.3 meters
• Polycarbonate and ABS plastic housing GF
• Dimensions: 94 (W) x 211 (H) x 106 mm
• Net weight: 651 g
• Gross weight: 890 g

- DAHUA-4351