ARD333-W2(S) Dahua Wireless Door Detector - 433.1 MHz To 434.6 MHz
The ARD333-W2(S) is a Dahua wireless door detector with reed-switch sensing and one-channel external digital input. It features tamper detection, low battery detection, temperature monitoring, frequency hopping and two-way wireless communication.
It suits non-metal door monitoring in Dahua alarm installations where wireless door status detection is required. It supports AES128 encryption and up to 1,200 m open-space communication distance.
Key Features
- Wireless design supports door monitoring without hardwired alarm cabling.
- Tamper and low-battery detection support reliable system operation.
- Two-way communication and frequency hopping support stable wireless operation.
- External digital input supports additional monitored input connections.
- Compact wall-mounted design suits discreet door-contact installations.
- Wiring:
- Wireless
- Product Type:
- Alarm Sensor