Dahua ARA12-W2(868) Wireless indoor alarm system – 105dB temp sensor 868MHz

Indoor siren for Dahua wireless alarm system

• Encrypted (AES128) communication between the siren and the control centre on 868.0 MHz-868.6 MHz, distance up to 1000m in direct line-of-sight mode.
• Battery power supply (2xCR123A batteries included), maximum power consumption 240mW
• 105dB piezo sounder with three sound level options, plus colour LED indicator.
• Battery discharge and ambient temperature monitoring, operating temperature -10 °C to +55 °C, IP65
• System management and day-to-day use is done through the DMSS app, the installer level app is COS PRO.
• Dimensions 81.0 mm × 81.0 mm × 26.0 mm, plastic body

With normal use and good coverage, a single set of batteries will last 2.5 years.