The additional microwave sensor filters possible interference from an air conditioner or curtain movement.
The MotionProtect Plus can operate up to 5 years without battery replacement.
It is “pet-friendly” and ignores pets weighing up to 20 kg and with a height up to 50 cm.
The Plus is designed for operation in rooms with fireplaces and air conditioners. It detects and ignores draughts, movement of curtains and blinds, light flickering, glare and reflections.
Principle of operation
The Ajax MotionProtect Plus detects human presence by temperature difference with background thermal radiation. The microwave sensor prevents false alarms caused by complex interference.