The Qolsys QS1135-840 is a 319.5Mhz frequency wireless door/window sensor. The QS1135-840 is a compact, encrypted sensor designed to connect securely to the Qolsys IQ panels using proprietary S-Line encryption for enhanced security, with compatibility for legacy 319.5 systems. Its advanced board and antenna design maximize range and support versatile surface mounting, while an included rare earth magnet adds further installation flexibility. With an extended battery life of up to eight years, the IQ Mini DW-S delivers long-term reliability for secure monitoring solutions.
Features:
- Uses (2) CR2032 batteries
- Transmitter Frequency: 319Mhz
- 2.25" x 1" x .5"
- 600ft open air range
