1. Features: ARM, sensitivity adjustment, vehicle search, six-tone sound effects, etc. 2. Working voltage: 12V 3. Alarm loudness: 115dB-120dB 4. Quiescent current: 5mA 5. Working temperature: -20~+85 degrees celsius 6. Remote working frequency: 315MHZ 7. Remote working voltage: 3V 8. Low power consumption, battery life will not be affected in any way 9. 5-level remote control sensitivity adjustment 10. Host size: 80x73x40 mm