Resideo 748 Indoor/Outdoor Dual-Tone Siren, 119dB, Tamper Proof and Weather Resistant

At 119 db, the 748 is the loudest self-contained siren you can buy today. The fully tampered and weather-resistant 748 mounts directly to a 4 electrical box or wall -- eliminating the need for a cabinet. Priced below other sirens, the compact design of the attractive 748 makes installation easier than ever before -- indoors or out.

Main Features

• The fully tampered and Weather-resistant 748 mounts directly to a 4" electrical box or Wall -- eliminating the need for a cabinet.
• UL, CSFM, MEA Listed
• Key reset, sustained bypass; timed bypass