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| | | | | | | | Power Saving Device with Extension Cord | | 1.This invention is a Power Saving Device with Extension Cord with some sockets for plug in several electronic devices. An optical sensor or a ultrasonic sensor is to sense the environmental variation such as a man. When the sensor is actuated the power from the socket body will be shut down to save power after a few minutes of warning signal.
2.The optical or ultrasonic sensor can be wired or wireless to set for different environment.
3.Adjustable effective distance of optical sensor or ultrasonic sensor for different users.
4.Adjustable delay time for shot down power for different users.
5.This device can be also used as a supervisory control apparatus and a warning system. | | | Product Categories : Home Appliances |
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