Outdoor siren for the PowerMaster system. PowerG bidirectional radio technology. The siren provides visual and acoustic (piezo) notifications of intrusion, fire alarms, low battery and communication failure. 110 dB piezo and high brightness strobe light, clearly signal any alarm jump. Lenses in red, blue, orange or white. Large free space for logo printing. Elegant design and robust weatherproof housing (IP55). Visible indication of signal quality on the device. It employs advanced AES-128 encryption algorithm for message identification. Frequency Hopping- Spread Spectrum and TDMA technology provide robustness and reliability similar to wired systems. Visible low battery indication. Configuration from the panel, there are no configuration switches. Double protection against manipulation - cover and rear. It works with two 3.6 V / 3,500 mAh lithium battery packs included, ref. 103-304742. Operating temperature: -33 to +70 ºC. Dimensions: 295 x 186 x 63 mm. EN50131 certificate. Grade 2.