Square Visitor Guest Welcome Infrared PIR Motion Sensor Entry Doorbell Door Chime Alarm
Authentic infrared, super sensitivity, no false positives can not omission, the battery can be plugged in,available all the day.
Infrared induction, sensitivity, not affected by light, daytime and night can be induced; rotating support is more convenient to monitor the angle adjustment, you can put it, and can be fixed to the wall.
It is suitable for shops, warehouses, office buildings, factories and homes.
Function and advantage:
1, All automatic infrared induction
2, Adjustable direction (with a main rotating bracket)
3, The host has a built-in loudspeaker, and the welcome loudness is 85 + 5 dB.
4, 3 X AA battery powered, energy saving and durable (the machine does not include batteries).
5, Long distance detection: 0-3m
The product color: white, elegant appearance is more outstanding;
The size: 7cm*7cm*2.5cm/2.76*2.76*0.98"
The method of installation and use:
1, Push the battery cover on the back of the doorbell into the direction of the arrow, and load it into the 3 X AA battery (the alkaline battery is recommended), and cover the battery box lid.
2. Dial the doorbell switch to the voice or alarm file.
3, When guests enter, the electronic doorbell will give you the voice you selected before.
The matters needing attention:
Every time the battery is installed, the product needs to be self tested about 15-20S, and then enter the normal working state.
The sensibility and volume production has been set as a standard state. It is not adjustable.
If this product has automatic sound or abnormal phenomenon, please check whether the battery power supply or installation position is proper (avoid directly facing the luminaire / sunlight / sunlight / reflection / direct location if the ambient temperature is too high (higher than 30 degrees) will be far closer to the phenomenon, which is normal.
When the sound of the doorbell is weak, replace the battery, and avoid the door bell to be installed in a position directly facing the large change of air flow (such as air vent, exhaust fan, electric heating furnace, etc.), and not in the place of sun and rain.
1 x Guest Welcome Doorbell
2 x Fixers