These products are all Made to Order Which means they are non-cancelable and non-refundable Descriptions ShockTec Electric Sensor The ShockTec USA-made electric shock sensors have been designed utilizing the most advanced microchip technology to provide reliable and effective false alarm resistant protection Features Features Digital Piezo Electric Sensor Digital Microprocessor with Intelligent Digital Signal Processing Tri-Color LED Enables Accurate and Reliable Calibration, with "Over-Sensitive" and "Under-Sensitive" Indications Gross Attack Detection Encapsulated Bi-Morph Piezo Electric Sensor Dual Stage Adjustment Potentiometer Cover Anti-Temper Protection Compatibility with Most Control Panels Made in the U.S.A. Specifications Spec Sheet What's In The Box What's In The Box Qty 1 - Electronic Shock Sensor