What alarm to install

[RRR6]

hi guys,
i am looking for a good alarm for my carnival.
any of you know Carvox Alarm?
thanks!

eto specs nila:
CARVOX (ONE-WAY CAR ALARM SYSTEM) - Php 3,300.00
- turbo timer
- auto-start
- long range remote (800meters)
- remote trunk release
- 6 tone siren mode
- code hopping for anti-grabbing
- door/hood/trunk sensors
- automatic dome light supervision
- smart LED indicator
HiH (TWO-WAY CAR ALARM SYSTEM) - Php 8,600.00
- turbo timer
- auto-start/auto-start timer/auto-start temperature
- long range remote (9000feet)
- smart gear checking system for remote start
- 6 tone siren mode
- tire slope
- multiple signal detection/oil sensor high voltage & TACH
- keyless entry
- anti-car hijacking system

[XLi]

Mga boss may nakapag try na ba nung pinaka mababang sensitivity settings for the RF315? tunog kasi ng tunog yung alarm e sa maiingay lang na mga dumadaan lalo sa motor. Also pano paganahen ang dome light? ibang wiring nanaman ba yun?