 
            

| Parameters | Smart siren | 
| Power supply | DC 12V (built-in an li-ion battery) | 
| Working corrent | <300mA | 
| Standby current | <10uA | 
| Alarm sound pressure | 100dB | 
| Working conditions | from -10°C to +55°C, 10-90% RH (no condensation) | 
| Wireless communication | Zigbee 3.0 | 
| Material | ABS+PC | 
| Dimension | Ø78*33mm |