The Dahua Relay Module Wrl/Arm7011-W2-868 model is an innovative wireless accessory specifically designed for Dahua's wireless access control and alarm systems. It operates at a 868 MHz frequency, enabling efficient control of power circuits.

• Wireless Communication: Uses frequency hopping technology to ensure stable connections.
• Range: Achieves up to 1.2 km in open conditions.
• Security: Features AES-128 encryption and interference protection capabilities.

The unit supports a wide input voltage range of 7 to 24 V DC and is compatible with various operational devices:

• Relay Output: Adjustable as Normally Open (NO) or Normally Closed (NC).
li>Protection Features: Includes overvoltage and overheating protection.
• Tamper Input: Has an external tamper input for increased security.

Additionally, it features an intuitive status LED indicator, supports cloud updates, and operates effectively within temperatures ranging from -10°C to +55°C. The compact design with dimensions of 39 mm (L) x 33 mm (H) x 19 mm (W) facilitates installation in various locations.