Check the listing for details. Ajax MotionProtect Plus - Dual Technology Motion Detector PIR + MW White. Condition: New. Listed at 132.26 USD. MotionProtect Plus Ajax's radio frequency scanning filters out complex interference created by thermal radiation combined with swinging curtains, vibrations and bright lights. Detection sensor: pyroelement and microwave sensor (24GHz) Motion detection range: up to 12 am Sensitivity: adjustable to 3 levels (low, medium, high) Detection angles: 88.5° horizontal, 80° vertical Recommended fixing height: m 2.4 Pet detection limit option: weight up to 20 kg, height 50 cm Additional protection: Microwave sensor to filter out composite sources of false alarms Tamper Protection: Available Jeweler 868MHz communication protocol max distance between detector and central unit: up to 2,000 meters (in free area) Power supply: CR123A battery Operating temperature: from 0°С to +50°С Operating humidity: up.