85 dB (3 meters front site), 4 levels volume tuned by app or button
-10°C ~ 55°C, 14°F ~ 131°F
Rechargeable LI battery
Up to 85% RH, Non-condensing
130 ft.(40m) LOS
Wall mounted by screws
• The volume can be set by using the app or the button.
• The backup battery supports the maximum warning time up to