Ultrasonic sensor - Small sensor port plug
Ultra-high frequency sound fills the interior of your vehicle - activates your alarm if any change to the interior environment. Ultrasonic sensors fill the interior of your vehicle with inaudible ultra-high frequency sound waves. Any disturbance will cause the alarm system to trigger. Only suitable for hard top and fully enclosed vehicles. MUM2000 - suitable for any alarm and Mongoose models M20, MAP1100S MUM80 - suitable for any alarm and Mongoose models M60, M80, MAP80 models