Dahua ARD333-W2(S) Wireless Door Detector Reed Switch
Dahua ARD333-W2(S) Wireless Door Detector Reed Switch *Special Order Item* Features: 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. Download Datasheet of DHI-ARD333-W2(915S) Datasheet of DHI-ARD333-W2(S)