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Pet immune motion PIR detector. Ajax MotionProtect detects the first step of an intruder on the premises but ignores pets, drafts and noise from an air conditioner.  Maximum performance Works up to 1,700 meters from Ajax Hub in open space or across several floors of a business center. Detects motion up to 12 meters away. Detects the first step of an intruder. Processes signals digitally.  Protection from intruders and failure Uses authentication to protect against fraud. Tamper-resistant body. Response from detectors can be checked every 12-300 seconds (adjustable). Jamming detection, frequency-hopping. Uses an encrypted connection.  Effortless operation Adjustable to three different sensitivity levels. Uses our SmartDetect algorithm to avoid false alarms from animals weighing less than 20kg. Eliminates false alarms from gear and electromagnetic interference using a FresnelTech optical component, made from POLY IR4 material and an Excelitas PIR sensor. Works under most conditions due to digital temperature compensation. Two-way communication with Ajax Hub allows for periodic testing and customization. Has a battery life of up to 7 years  Simple professional-level installation No need to disassemble the body when installing using SmartBracket mounts. The quality of the connection and detection area can be tested remotely. Connects to Ajax Hub with a single click. Can be used with third-party security systems using the uartBridge and Bridge Plus modules.  Technical specification Detector type: Wireless Use: Indoor Movement detection distance: Up to 12 m (39.4 ft) Sensitivity: 3 levels adjustable (low, medium, high) Detection angle: 88.5° horizontal / 80° vertical Installation height suggested: 2.4 m (7.9 ft) Pet ignoring option: Weight up to 20 kg (44 lb), height up to 50 cm (19.7 in) Tamper protection: Available Radio signal power: 20 mW Communication protocol: Jeweller (868.0-868.6 MHz) Maximum distance between detector and central unit: Up to 1,700 m (6,552 ft) (in open area) Power supply: CR123A battery Power supply voltage: 3 V Battery life: Up to 7 years Operating temperature range: From 0°C (+32°F) to +50°C (+122°F) Operating humidity: Up to 80% Dimensions: 110x65x50 mm (4.33x2.55x1.96 in)  Components Motion detector CR123A battery (pre-installed) Installation set Manual