Chuango B2B | Wireless DIY smart home security systems
Chuango B2B | Wireless DIY smart home security systems
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Wireless Outdoor Siren

When connected to an alarm system , the WS-280 is an effective crime deterrent and can easily work with other sirens in the same system. The unit can also work with other accessories such as remote controls, door/window contacts and PIR detectors on the same radio frequency to build an on-site alarm system.


Power Supply DC 12V 500mA
Backup Battery

18650 3.7V 1800mAh rechargeable
lithium battery
Maximum Alarm Current ≤350mA
Static Current ≤14mA
Wireless Receiving Distance ≤80m (in open area)
Operation Condition

Temperature: -10°C ~ +55°C
Relative Humidity: ≤80% (Non-condensing)
Maximum Siren Volume 105dB
Battery Standby Time ≤7 days
Radio Frequency 315MHz or 433.92MHz
Housing Material PC+ABC+ANTI-UV
IP Rating IP 54
Dimensions (L×W×H) 245.2x227.5x72.4 mm