Features: 1. Supplied with 2 LCD remote controls, high sensitivity, the maximum remote control range is 100m/328.1ft. 2. Supports automatic central door lock, automatic window roll-up, multiple user-programmable functions, and automatic recording of parking time. 3. With door hood trunk sensor (support mains), programmable auxiliary output (support power window and central door lock). 4. With parking warning, the indicator light will flash for 25 seconds when opening the door after parking, to warn other drivers to avoid accidents. 5. Support mute fortification, mute disarm, automatic defense, emergency alarm and trigger alarm prompt, etc. Specification: Item Type: Car Security Alarm System Material: ABS Lifespan: 2 years Voltage: 12V Remote Control Distance: 100m/328.1ft Remote Control Frequency: 315-433.92MHz Working Temperature: -20°C to 80°C Main Function: 1. Mute fortification 2. Mute disarm 3. Automatic defense (programmable) 4. Door not closed promptly 5. Emergency alarm 6. Trigger alarm prompt 7. Automatic secondary re-defense (programmable) 8. Find car 9. Car repair mode 10. Emergency release switch to disarm 11. LED indicator 12. Function of opening the trunk Battery: Button Battery (built-in) Model: CR2025 Capacity: 150mAh Installation Notes: 1. Check whether the car line is suitable. 2. If suitable, connect according to the wiring diagram in the installation manual. 3. Installation and use Note: Please note that the bracket of this product will be sent randomly, please make sure you don't mind before ordering.