Dear Richard,

Could you please send us email to support@netrohome.com with your Netro account registered email?

We will have our technician look to this issue. 

Thanks

Regards, 

Netro Support

Dear Richard,

The RED led light flashes means the device is completely out of battery now, which will need more time to charege it up. 

Please keep the sensor under direct sunlight for another 3-5 days, and press the power button again. Please let us know if it works.

Thanks,

Netro Support