Visonic SR 740 PG2 Wireless Outdoor Siren - 120dB Alarm for Home Security and Monitoring (IP65 Rated, 1-Year Battery Life) Specification: * Type: Wireless Outdoor Siren * Power Source: 1-Year Battery Life (IP65 Rated) * Range: Up to 1,000ft (300m) * Frequency: 868/915MHz * Operating Temperature: -40°C to 70°C (-40°F to 158°F) * Dimensions: 110x80x40mm (4.3x3.1x1.6in) * Weight: 200g (0.44lbs) The Visonic SR 740 PG2 is a high-quality wireless outdoor siren designed for home security and monitoring. With a range of up to 1,000ft (300m) and a battery life of up to 1 year, this siren provides reliable and long-lasting protection for your property. Its IP65 rating ensures that it can withstand harsh weather conditions, making it perfect for outdoor use. The siren emits a powerful 120dB alarm, ensuring that intruders will be alerted of any potential threats. Additionally, the Visonic SR 74