Two?? Mini 5 button High Frequency (433.92 MHz) Remote TransmittersOn-Board 2-Stage Electro-Magnetic Shock Sensor with Sensitivity Adjustment via Remote Control</br>Programmable Alarm Mode or Keyless Entry Mode. Dedicated Chirp Delete from Remote.</br>Dual Stage Shock Sensor</br>56 Bit Random Code Hopping.  Over 75 trillion available codes.  Programmable Alarm Mode and Keyless Entry Modes.</br>Reliable Performance backed by Auto Page 35 Year History. Limited Lifetime Warranty.</br></br>Product Description</br></br>The 255A is an exciting new SLIM Series Auto Page Security System. The new ??Brain?? that powers the system is really small. How small you ask? Just 2??X3??X1-1/2?? mak