The device can bemounted in the traditional manner, or if that is inconvenient for applications such as garage doors, it can be configured for normally closed tilt switch operation. In addition, the WS4965 has two normally closed external contactinputs that can be used for additional hardwiredcontactsorotherdrycontact switches.The internal contact provides a generous magnet gap of 1/2 in (13 mm) and flexibility during difficult installations as it easily accommodates larger door or window frames.

Features:

• 3 zones in 1 (each zone has an individual serial number)
• Reed/Magnet combination
• Tilt switch mode for overhead doors
• 2 normally closed external contact inputs
• Long-life lithium battery included
• 1/2in (13 mm) maximum magnet gap
• Low-battery LED indicator
• Case tamper
• Reliable 433 MHz technology
• Includes backplate
• UL/ULC and FCC/IC listed