Electromechanical Car Alarm Security Shock sensor

Electromechanical Car Alarm Security System Shock Sensor Impact Condition is "New" FREE Shipped with USPS First Class. Electromechanical car alarm security shock sensor 12V DC operation with less than 15mA draw Modulated for precise and reliable performance Tuning screw for adjusting trigger sensitivity LED for testing unit to show working functionality Removable metal mounting bracket included Compatible with select older Autopage, Car Pro, Keymaster, Magnadyne, Marksman, Megalarm, Silencer, Viking alarm systems with 3-pin Molex KK 254 style beige plug Universal so can be used on any car alarm security system and various other applications (Plug must be cut and unit hardwired) I also included some instructions