Dahua ARD2251E-W2(868) Wireless External Triple-Tech Detector Read speed_3;335 MB/s or up to 4-ch facial

or up to 4-ch facial recognition for face picture

Swap them out to change from workout to go-out styles with just one touch

Data Transmission Speed: 40Gbps

1 LE for continuous productivity

Dahua ARD2251E-W2(868) Wireless External Triple-Tech Detector Read speed_3;335 MB/s or up to 4-ch facialDahua ARD2251E W2(868) Wireless External Triple Tech Detector Features: Anti masking detection Ingress Protection: IP66 Implements moving detection to prevent someone move or detach device Pet immunity: up to 80 cm, 40 kg Provides a dual backup system, and uses auto recovery when an update fails Enables monitoring of environmental temperatures Features cloud update,allowing convenient remote updates via the mobile app Specifications: Indicator Light: