Technical specifications:

• 868MHz built-in transmitter
• Sound power 100dB with built-in Flash
• Outdoor use with resistance to external conditions
• Constructed from PC/ABS with UV protection
• Battery operated (no AC power required)
• Powered by 3 alkaline batteries 1.5V
• Monitoring of siren presence from the control panel and control panel from the siren
• The siren activates for five minutes after losing communication with the control panel
• Double protection of the box: screw removal of the cover or removal from the wall
• Possibility to connect up to 4 sirens to each control panel
• Firmware upgrade capability on-site using the 307USB