König SEC-APR20 Security Alarm with Motion Detection (Tools & Accessories)
we install 2 AA batteries (lithium preference for extra long life and maximum power) in the sensor, pressing the black button on the detector the same time that the "ON" button on the remote control (provided with batteries already inserted butt
König SEC-APR20 Security Alarm with Motion Detection (Tools & Accessories)
Very pleased with this purchase, the only complaint: The fact of having only a remote control ... Very correct loudness, excellent reach of the remote control.
