Detailed Usages for KS-SF22R Vehicle security alarm

* KS-SF22R Newly design , * Vehicle Anti-Theft Alarm,Super Loud 113dB, * Triaxial Accelerometer Sensor,7 Stages Sensitivity for adjustment , * SOS Emergency Help Function,6 Tones Loud Siren Sound Selectable , * Long-range Wireless,3*AAA Batteries for Power Supply .life last for 12 months . *waterproof :IP55 *Range :40-80M