Features: Dual element sensor Immune to animals weighing up to 18kg (40lb) 11m x 11m (35ft x 35ft) and up to 15m (50ft) for center beams with 88.5° viewing angle Wireless range in a typical residential environment: - 35m (115ft) with MG6160, MG6130, and MG6250; - 70m (230ft) with MG5000, MG5050, and RTX3 When a higher level of immunity is required, such as when animals are constantly in the detection area, consider using PMD75 Patented Auto Pulse Signal Processing Automatic Temperature Compensation Alive software (alarm LED continues to display when PIR is in energy save mode without compromising battery life) 3-minute energy save mode after two detections within a five-minute period Dual tamper mechanism (wall/cover) Slide switch to select high or low sensitivity EN 300-200 certified EN 50131 certified