Radio Shack Safe House Alarm System 49-485 Manual Jun 2026

This indicates the backup battery is missing or low. If the battery is old and won't recharge, it must be replaced.

| Feature | Specification | | --- | --- | | | 49-485 (Safe House) | | Power Input | 120V AC, 60Hz (wall transformer) | | Backup Battery | 12V DC, 1.2Ah sealed lead-acid (Radio Shack #23-204 or equivalent) | | Zones | 5 hardwired zones (Normally Closed or Normally Open with EOL) | | Siren Output | 12V DC, 0.5A max (95dB piezo or speaker) | | Exit Delay | Adjustable (0–60 seconds via jumper) | | Entry Delay | Adjustable (0–60 seconds via jumper) | | Keyswitch | 2-position (Off/On) with LED status | | Dimensions | 8.5" x 6" x 2.5" | radio shack safe house alarm system 49-485 manual

The is a multi-zone home security system designed to monitor and alert for unauthorized entry and fire hazards . Key System Features This indicates the backup battery is missing or low

Have a copy of the original Radio Shack 49-485 manual? Consider scanning it and uploading to Archive.org to preserve this piece of DIY security history. Key System Features Have a copy of the

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