Waterproof wireless buzzer, battery button, waterproof, 300 meters.

Specifications and information:



1. Press the advanced learning code, can learn and match freely and the recipient can match endlessly.





A signal that does not have a screw, can achieve the purpose of waterproof and dustproof.



3. Batter button uses a battery 23A12V (not including) and the voltage of the receiver is 220V



4. The receiver is 300 meters (in the open space), which will affect the environment and obstacles.


5. The receiver has 36 votes to choose from, 20-80 decibels, divided into 4 levels. Power AU is suitable for most countries.



6. Signal size: 80 * 45 * 22 mm.



7. The receiver size: 90 * 65 * 28 mm.


8. Just plug the receiver to the electrical outlet and be able to install the button signal transmitter to the door using the tape provided.


Doorbells Can be used in house offices, hospitals, factory, restaurant, or anywhere you want.


Caution:


This button cannot be placed on The steel door is because it will disturb the signal.


If the device is not loud when you press the button after receiving the bell, check the following:


< BR> 1. If the battery installation button, you must have alkaline batteries. 23A12V



2. You can connect the button to the recipient. The receiver holds the receiver and pressing the signal for about 4 seconds. The signal has been paired.