With additional devices your system can use this sensor to signal an alarm or text when an intruder is detected, or make a camera recording when a motion is detected, or turn the lights on when it gets dark outside, or send a text a text message when the temperature gets too cold or hot, or many other home control and automation possibilities. The 3-in-1 Sensor is battery powered and needs no wires to operate. It can be wall mounted or simply placed on any flat surface. Battery lifetime typically exceeds one year depending on the operating modes programmed. Motion Sensor: For best performance, mount the unit flush against a wall at a height of 6-8 feet. It is not necessary to point the unit downward. Light Sensor: The light sensor of can be programmed to work with Vera to ensure greater lighting accuracy under a wide variety of conditions. Use it to light rooms before sunset on cloudy or overcast days. Use it to prevent 'on' commands when sufficient natural light is already available. Temperature Sensor: The temperature sensor can be used to adjust heating and cooling systems to keep the room comfortable. Use it also to monitor areas of concern where conventional thermostats are not installed. Battery Level: In addition to sensing motion, light and temperature, this 3-in1 sensor also monitors its own battery. Use this feature with Vera to trigger an email alert if the battery drops below a certain (user definable) point.
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