Dahua Wireless Siren, Signal Strength Detection, Low Battery Alarm, Temperature Measurement., Frequency Hopping Function and 2 Way Communication Technology, Cloud Update & Automatic Recovery from Update Failure, 3Yr Warranty
Specification
Dahua Wireless Siren, Signal Strength Detection, Low Battery Alarm, Temperature Measurement., Frequency Hopping Function and 2 Way Communication Technology, Cloud Update & Automatic Recovery from Update Failure, 3Yr Warranty
