Door - Wondow sensor wifi

Wireless Door or Window Opening Sensor, wifi, to be combined or added to the GSM Wifi control unit,     433 Mhz  eV1527 , essential for the security of your home, office or boat,

In case of Alarm it notifies you wherever you are via APP on your mobile phone, completely wireless, batteries inside (DC 3V CR2032 Lithium Battery x1) 

Delivery times 3-5 days