This Vision Z-Wave Outdoor Siren and strobe is a completely wireless Z-Wave Plus device that is compatible with any Z-Wave Gateway Controller. Featuring a loud 115 dB siren and flashing blue strobe. Easy DIY installation and rated IP66 for outdoor use - even in harsh Australian conditions. Battery operated (4 x D batteries included with approx. 2 year battery life), this loud outdoor siren and strobe will be the perfect addition to your Z-Wave smart home security system.