Introducing the ADEMCO 748 Dual Tone Siren, a reliable and durable alarm accessory for your indoor or outdoor needs. This siren is made of high-quality plastic material and comes in a sleek white color that complements any setting. With its dual-tone sound, this siren is compatible with Resideo and ADEMCO alarm systems and serves as a reliable and loud warning device in the event of an emergency. Measuring 5 inches in length and width, this siren is compact yet powerful. Get this must-have alarm accessory now to secure your home or business.