DAHUA ARA12-W2(868) BEZICNA UNUTRASNJA SIRENA

Opis

MODEL: ARA12-W2WIRELESS SIREN> SIGNAL STRENGTH DETECTION. > LOW BATTERY ALARM. > TEMPERATURE MONITORING. > FREQUENCY HOPPING FUNCTION AND TWO-WAY COMMUNICATION TECHNOLOGY ENSURE COMMUNICATION STABILITY. > CLOUD UPDATE AND AUTOMATIC RECOVERY FROM UPDATE FAILURE.