Wireless doorbells are installed in many homes because of their beautiful design and safety. The wireless doorbells in the market currently have many brands, among which wireless video doorbells are most popular because they can both hear sounds and see videos. So what issues should we pay attention to when choosing a wireless doorbell? 1. Select multiple channels. It is important to choose a wireless doorbell that can use multiple channels. The types of radio products used today are more and more, but there are few resources for wireless information. Generally, the frequency of the doorbell we can use is 315 Hz, which can easily be interfered with by other radios, and it is easy to cause The phenomenon of chaos ringing in the doorbell string, or the distance that can be used falls. However, if you use a multi-channel doorbell, you can use a multi-channel signal, so you only have to pick the bell in your home to work on another channel. 2. Select with antenna. If the doorbell is not equipped with an antenna, the distance is slightly longer and the doorbell must be installed outdoors. The doorbell without an antenna will have very weak wall effect, and the ability to receive signals will not be strong with antennas. Doorbells without antennas will work. It will be very unstable. 3. Check the power supply mode. This kind of wireless doorbell is best used with batteries, or it can be powered by a power adapter. It is more convenient to use a battery. The use of a power adapter can eliminate the trouble of buying a battery. 4. Check the sound quality. The doorbell's voice must be clear and crisp, and the voice is too small. If the family is an old man or the sound of a TV at home, the sound of the doorbell will not be heard when the sound of the speaker is too loud. You can allow the store to listen to the sound quality after it is installed. If it is not good, you can change it. 5. Look at the operating current. If the wireless doorbell operating current is too large, the battery-type power consumption is relatively large. AC power is generally divided into two types, high voltage and low pressure. When using a high-voltage (220 volt) type, pay attention to safety. The above content is the technique of purchasing wireless doorbells. The wireless doorbell eliminates the wiring trouble during installation and is a very good choice for many families. When we choose a product, we must ultimately look at the price/performance ratio, so keeping in mind the above points will definitely help us choose the right product. Article: Wireless Doorbell Common Problem Solution Wireless Doorbell Failure Maintenance Recommended: intelligent lock real estate development stage of the first wired smart home system Lcd Tonch Screen For Iphone 7,Lcd Touch Screen For Iphone 7P,Lcd Display For Iphone 7P,Mobile Lcd For Iphone 7P Shenzhen Xiangying touch photoelectric co., ltd. , https://www.starstp.com
Wireless doorbell purchase skills
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