Digital Security Controls (DSC) releases a wireless photoelectric smoke detector; ideal for applications where running a wire to a smoke detector is difficult or just not possible. The WS4916 has a low-profile design and features a built-in alarm horn, integral dual-sensor heat detection, automatic drift compensation and an easy-maintenance replaceable chamber. The WS4916 uses long-life lithium batteries, is UL/ULC/EN listed for commercial and residential applications and is compatible with all DSC wireless security receivers. Precise and quick sensitivity testing is easily accomplished with the new FSC-100 handheld test meter. DSC

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