ARA12-W2-868 is a wireless anti-intrusion siren for alarm systems, equipped with a sound alarm of up to 105 dB with 3 adjustable volume levels and an LED light indicator. It offers two-way communication at 868 MHz with a range of up to 1000 meters in open field, AES128 encryption and Tamper protection. It integrates temperature monitoring, low battery warning and cloud updates. Made of ABS and polycarbonate, it is designed for easy installation via bracket. Dahua