Waterproof sensor doorbell split welcome welcome sensor shop doorbell alarm

The [transmitter] senses it, and the [receiver] at the remote location notifies you with a sound. The radio wave receiving distance of the receiver is 200 meters outdoors without any obstacles, and up to 100 meters indoors with good visibility. This is a great item to bring to your home, store, office, warehouse, etc. to deter crime.

??【Motion Detector & Easy to Use】This doorbell alarm is a motion detector, motion-triggered siren that alerts you of intruders and visitors anywhere in your home. (Including high-sensitivity infrared sensor) can accurately detect people, the sensing distance is 3-7m, and the sensing angle is 15° up and down, 100° left and right.

(Highly practical) You can adjust the volume of the receiver, there are 38 ringtone songs to choose according to your preference, 4-level volume control and LED indicator. Press the ringtone setting button to switch between 38 different ringtones. Long press to switch to the opposite direction. In addition, there are two modes of "light/sound and light", which can be switched with one button, which is very convenient for people with noise/hearing impairment. The 113db loudspeaker for killing thieves lasts for 30 seconds.

【Note】Avoid installing in places with a lot of airflow or near heat sources. (eg, cold air vents, exhaust fans, electric stove or nearby heaters, etc.). Do not expose the sensor to direct sunlight or rain, or place it near metal. Avoid sensor false positives.

 

notes:

Conversion: 1 cm = 10 mm = 0.39 inches.

Due to manual measurement, there may be an error of 0 to 1 cm. warn. Please check carefully before making a purchasing decision.