... for inquiry (up to 20000 records) 6)Detecting Zones: Standard 8 zones. It can extend to 16,24 zones by separate ... to exclude the coin, key, belt.. 8)Sound Alarm: 1-25s alarm time, 255 different sound volume and 12 tones for choose 9 ... 12)6 preset programs for security application versatility 13)2-8 hours Battery backup for option, the uninterruptible power protection system ...