DSC WS4936 Wireless Photoelectric Smoke Detector with Built-in Heat Detector, UL/ULC Residential Fire, (Replaces WS4916)

The DSC WS4936 wireless photoelectric smoke and heat detector delivers reliable fire detection where running wire is impractical. Designed for residential and commercial security applications, this DSC smoke & heat detector combines photoelectric sensing with an integral dual-sensor heat detector to reduce nuisance alarms while improving life-safety response. Installers benefit from a true plug-and-play wireless solution compatible with DSC 433 MHz receivers, eliminating conduit and wiring costs and accelerating deployments. Built-in features — including an 85 dB horn, local test and hush buttons, automatic drift compensation, and an easy-maintenance removable smoke chamber — reduce maintenance time and keep systems in peak monitoring condition. Battery-powered (3 AAA batteries included) for uninterrupted operation, the WS4936 meets UL/ULC Residential Fire standards and integrates smoothly with DSC panels and wireless repeaters. Ideal for retrofit projects, multi-family dwellings, and remote zones requiring dependable surveillance and alarm monitoring. Add the WS4936 to your fire and security portfolio for faster installs and proven detection — order or specify for your next project today.

• Rapid, wire-free installation cuts labor and speeds deployment for retrofit or hard-to-wire sites
• Dual photoelectric and built-in heat sensing reduces false alarms while improving early fire detection
• Built-in 85 dB horn and local test/hush controls provide instant on-site alerts and easy maintenance
• Automatic drift compensation and removable smoke chamber minimize service calls and extend reliable operation
• Compatible with DSC 433 MHz wireless receivers for seamless integration into existing security and monitoring systems
• Battery-powered with 3 AAA batteries included to ensure continuous operation during power outages