Installer Friendly - Easy to Mount. Exterior / Interior use. Sealed Reed Tamper Switches at single bolt closure and at rear of cabinet. No Rust - No Mess. Compact - Less Noticeable. Loud - Rivals Sound of Larger Speakers. Heavy Duty 1.8 lb Magnet. High Fidelity Voice Coil. Stainless Steel Mounting Hardware Included. Lifetime Limited Warranty.