DSC EV-DW4927SS 433MHz Wireless Shock Sensor With Built-In Door and Window Contact provides reliable perimeter protection by detecting both impact and door or window opening events in a single device. Designed for early intrusion detection, it combines adjustable shock sensing with a built-in reed switch for comprehensive coverage.

• Dual-function design with electro-mechanical shock sensor and built-in door/window contact

• Adjustable sensitivity settings for precise detection and fewer false alarms

• Pre-alert functionality warns of attempted intrusion before entry occurs

• Wireless 433MHz operation for flexible, clean installations

• User-replaceable lithium battery for long-term, low-maintenance operation

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