... tracker function, its unique highlight is the crash accident SMS alert within 8 seconds to the preset phone numbers upon accident ... Ports: SOS, Ignition Status, ImmobilizerEquipped with Accident Sensor inside, SMS alert to preset phone Nos. upon accident happenedBuilt-in GSM/GPS ... Accident SensorDescription: MT-18 is a GSM/GPS based accident alert system for car, motorcycle, scooters and etc. The unit ...