indoor siren

The Dahua DHI-ARA12-W2 Alarm Wireless Indoor Siren is a compact and efficient device designed to enhance home security. It operates on two-way communication technology, ensuring reliable signal transmission, and uses frequency hopping to avoid interference. With a loud sound pressure of over 84 dB, it effectively deters intrusions. The device also features tamper alarms and a low battery warning to ensure continued operation. It is powered by two CR123A batteries with a lifespan of 2.5 years under normal conditions. This siren supports cloud updates, making maintenance easier, and has a wide communication range of up to 1,000 meters in open space. Its small dimensions and lightweight design make it suitable for installation in homes, villas, or apartments, and it can be mounted using a bracket. Additionally, it includes temperature measurement capabilities, working within a range of -10°C to +55°C, adding another layer of monitoring. The unit is certified for security and environmental standards, offering both functionality and reliability in various environment.

Key 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