DSC WT4911B Wireless Outdoor Siren - 110dB Alarm for Home Security Systems (IP55 Rated, 1 Year Battery Life) Specification: * Type: Wireless Outdoor Siren * Power Source: 110dB Alarm for Home Security Systems (IP55 Rated, 1 Year Battery Life) * Dimensions: 6.5 x 3.5 x 3.5 inches * Weight: 1.2 pounds * Battery Life: 1 year * Range: Up to 1000 feet * Operating Temperature: -40°C to 60°C * Material: Durable Plastic * Certification: UL, CE, ROHS The DSC WT4911B Wireless Outdoor Siren is a high-quality alarm for home security systems. With a range of up to 1000 feet and a battery life of 1 year, this siren provides reliable protection for your home or business. Its IP55 rating ensures that it can withstand harsh weather conditions, and its durable plastic construction ensures that it will last for years to come. Whether you're protecting your home or business, the DSC WT4911B Wireless Outdoor Siren