Description: There are various and powerful functions included in this product, including warning identification, anti-hijacking, automatic central door lock system, the alarm function for not closed doors, car finder, help call, restart, LED indicator, engine shut down, emergency release, intrusion warning, and close memory. The remote trunk release function(negative signal), check code (learning code) of remote control transmitter and receiver, optional electric/pneumatic central control lock (keyless), side door trigger (negative signal), automatic rearming, and arming reminding function are also included in the product. Using premium ABS and metal material, the product is durable, lightweight and portable. The length of the product is 8.8cm, the width is 7cm, and the height is 2.7cm. It is universal for most cars. Item Name: Car Alarm Material: ABS,Metal Batteries: CR2032 Button Battery(Not Include) Supply Voltage: Main Unit: DC12V+/-3V Output Current: Turn Signal: 7.5Ax2, LED Indicator: 3mA, Siren: 10A, Central Door Lock: 10A Operating Temperature: -40 Celsius Degrees to 80 Celsius Degrees Operating Voltage: Remote Control: DC12V, Shock Sensor: DC12V+/-3V Quiescent Current: Remote Control: 0mA, Shock Sensor: 1mA Working Frequency: 433.92MHz Size Details: Size: 8.8cm x 7cm x 2.7cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Main Control Unit 2 x Remote Controls 1 x LED Light Emitting Diode 1 x Engine Flameout Relay 1 x Shock Sensor 1 x Siren 1 x Wiring Set 1 x User Manual