DSC Intrusion Detection WS4945N Door/Window Contact, Wireless, Normally Opened, 3 Volt CR2 Lithium Battery, 32 to 120 Deg F, 1-1/2″ Width x 14/16″ Depth x 2-9/16″ Height

DSC Intrusion Detection WS4945N Door/Window Contact, Wireless, Normally Opened, 3 Volt CR2 Lithium Battery, 32 to 120 Deg F, 1-1/2″ Width x 14/16″ Depth x 2-9/16″ Height

Features:

• Built-In Reed Switch
• Normally Closed External Contact Input
• 1 Lithium
• Reliable 433 Megahertz And 868 Megahertz Technology
• Available in Brown Housing
• Case and Wall Tamper