DC 12V Two Way Car Vehicle Alarm Security System with Siren

Features
FSK technology,long distance
Classic LCD transmitters with AAA battery
Remote trunk release
LED indicates system status
Alarm delay function
SOS function
Anti-robbery function
Car battery voltage-shortage indication
Auto set arm function
Valet mode
Mute mode / sound mode
Central lock auto
Hitting alarm ON/OFF
SRP(Safe roadside parking) function
Real time in-car temperature and car battery voltage monitoring
Remote battery level indication

Technical Specifications
Frequency:433.92MHz
Modulation:FSK
Working Voltage:12V
Siren Volume:115-125dB
Control Distance: 1200m
Accessories
Main-unit(included high-frequency receiver)
Two Way Remote
Antenna
Shock Sensor
LED Indicator
A bulk of wire
User manual