Extra HTZSAFE DIY Solar Wireless Outdoor and Waterproof Alarm Receiver and Siren
FULLY EXPANDABLE & COMPATIBLE SYSTEM (All the HTZSAFE products can work together). FULLY EXPANDBLE SYSTEM – Expandable up to 32 solar beam sensors to 1 solar siren & strobe, and 1 solar beam sensor can be added to unlimited solar siren & strobe for complete coverage of your property.
