BRAND NEW DIRECTED ELECTRONICS DS4WSWireless Bluetooth Siren Car Security KitKey Features: Specifically designed to work with Directed's DS4 and DS4+Enables a seamless wireless data transmission between the DS4 or DS4+ digital remote starter Hood Pin InputTach wire inputBack up BatteryShock/Tilt Sensor2 Aux/inputsMulti-Lingual Voice support (Via the Directlink Mobile App)Package Dimensions: Approx. 7 x 6 x 3 inchesWeight: Approx. 3lbs