PH-WDSGJH Outdoor 315MHz Wireless Sound / Flash Siren - White (AC 220V)
The siren and alarm systems can be used together without wired connecting to the host; It gives high dB and the light will flash when it works; Power: 12V DC; Sound: 115dB; Weight: 1.8kg; Size (mm): 145L x 145W x 100H mm