Qolsys IQ Mini Extended DW-S Encrypted Door/Window Sensor

The Qolsys IQ Mini Extended DW-S pairs the small footprint of the IQ Mini family with two CR2032 batteries for installations that benefit from additional power reserve. It fits doors, windows, cabinets, and other openings, while the rare-earth magnet helps bridge practical trim and alignment challenges.

The contact reports through Qolsys S-Line encrypted 319.5 MHz signaling and can be named by location at the panel. Once connected to a supported service, an opening can become more than an alarm zone: it may drive a left-open notification, lighting rule, or energy-saving thermostat response.

Qolsys marketing references an eight-to-ten-year design target, while the current quick guide specifies replacing the batteries every five years. Allied uses the documented five-year service interval so routine maintenance is based on the more conservative manufacturer instruction.