2 Stage Shock Sensor Car Alarm PKE Bluetooth Car Alarm with App Control Product Description Function Features: GPS Tracker output(optional) Bluetooth Control Mobilephone APP Arm/disarm/trunk open/Mute Arming/disarming/silence arming/disarming with car key Lock/unlock Bypass the sensor Trunk release Car searching/silence car searching Warn away Anti-robbing/anti-hijacking Car door alert Auto central lock Valet mode Power-off memory Auto arming Program new remote method(learning code) Cancel old remote method(deleting code) LED indicator Program menu(four optional function) Window closer output Ultrasonic sensor output One year warranty after shipment. Contact us: Sophie WHATSAPP: +8615902028815 SKYPE: carformsales07 contact me:Name: Sophie Skype:carformsales07 Whatsapp/Mobile:+86 15902028815