DSC WS4945BN Wireless Door/Window Contact, 3V CR2 Lithium Battery, Brown

For fast, reliable perimeter protection, the DSC WS4945BN wireless door/window contact delivers compact, installer-friendly security for commercial and residential projects. This DSC wireless door/window contact combines a 30% smaller housing with a pre-installed 3V CR2 lithium battery and an activation pull-tab to reduce installation time and callbacks. Built for dependable monitoring, the sensor uses 433 MHz RF technology with a 5/8 (16 mm) maximum magnet gap and includes both case and wall tamper to detect forced removal or enclosure access.

The WS4945BN's PCB-mounted cover and smooth-back design support tape or screw mounting, letting technicians finish jobs faster without sacrificing durability. An integrated external contact input accommodates difficult magnet placements or hardwired doors, while UL/ULC listing and RoHS compliance provide assurance for North American and European deployments. Ideal for intrusion detection, alarm systems, and surveillance integrations, this brown magnetic contact blends into door and window frames for discreet protection. Add the DSC WS4945BN to your next security or monitoring installation for quicker installs and dependable perimeter defense.

• Speeds installations with a pre-installed 3V CR2 lithium battery and activation pull-tab for tool-free start-up
• Ultra-compact profile (30% smaller than predecessor) fits tight frames and stays discreet for professional installations
• Dual tamper protection (case and wall tamper) for reliable intrusion detection and reduced false alarms
• PCB-mounted cover and smooth-back design allow fast tape or screw mounting, minimizing on-site labor
• Reliable 433 MHz RF communication and a 5/8 (16 mm) magnet gap for consistent security monitoring across DSC receivers