How to choose a fingerprint lock

Knowing these performance indicators, how to choose? Do you want to learn technology such as machinery, design, mechatronics, software, and the Internet? If you really learn, congratulations, all materials! It's actually not so laborious. The purchase is not so troublesome. There are six steps, I believe you will know how to choose. Before choosing, you must first determine several things: first, you can afford the purchase price, otherwise there is no need to waste time. Second, you like the appearance of the lock' target='_blank'>fingerprint lock you bought. If these two are satisfied, Then look down: 1. Look at the brand's establishment time, don't ask me why, a fingerprint lock company that can be used for more than ten years is basically worthy of rest assured, you can also consider it for more than 5 years, be careful for 2 years, more than 10 years It’s all hard to force the company. It’s impossible to stick to it without two brushes. It’s basically a new entry for 2 years. If you don’t know how deep the water is, you will come in. The tuition fee has not been paid. Of course, if it is an OEM, Regardless of him; 2. Look at the lock installation experts, don’t listen to the sales, and don’t care how much you know, you have to pretend to be very understanding, and focus on the key when you buy. The above five indicators first look at the machinery, especially the lock Body, it doesn’t matter if it doesn’t have a chip structure. You need to remove the lock first. It’s okay if you don’t remove it. You can weigh it and feel the feel. If it weighs more than 500 grams, it won’t be too bad. If you open it with a good feel, there’s basically no difference. By the way, try it. When I asked the salesperson, what is the durability of the lock body? If you don’t understand it, it is the service life. If you dare to say more than 200,000 times, it may not be worn out if you use it for your grandson. Is it true? ? Don’t buy, it’s a lie, 50,000 times, 100,000 times; 3. Look at the inside of the panel, this is more like an expert, most businesses have samples, if there is no sample, dear, quickly withdraw it, the strength is too bad, the sample let him Open the back panel. If you can’t hit it, don’t choose. It must be a few thousand pieces of stuff and you won’t be allowed to see it. If you let it look, use a very professional eye to look at the wiring, the material of the wiring, and the circuit board. Try it with a very relaxed and professional feel. If the wire is thick and heavy and the circuit board is not tied to the hand, then this lock is not a big problem; 4. Looking at the surface treatment, this job is considered a technical job, and of course it is also a professional job. , But no problem one, there is a simple way, pick up the panel and see if there are any bubbles, uneven surface, or damaged areas. If not, the method is very EASY. When the panel is facing the light, there will be a light-dark separation line. Adjust the position of the panel to make this line move. The straighter the line, the softer it is, indicating that the surface treatment is not bad. 5. Test the fingerprint recognition part and the electronic part. In this part, you can ask the sales first, how much is your rejection rate, what is your misrecognition rate, what is the amount of memory, what MCU chip is used, and whether the fingerprint recognition module is made in China? Generally, sales people will be confused when asked. At this time, if you record a few more fingerprints and use your fingerprints to open the lock several times, he will definitely not object to it. That's good. If you put your fingerprints five times and once you don’t recognize it, you can Accept, exceed, estimate that the quality is not good. If the recognition time is too fast or too slow, don’t forget it, generally 0.5-2 is fine, too slow. Too fast will not work; 6. Looking at the service, remember that at least this year, localized service is the best, and online shopping is not bad. He emphasized whether it is a local agent. If the service is not, do not buy it, otherwise it will not It’s okay if something goes wrong. If something goes wrong, people will die quickly. Also, note that the current distributors, except e-commerce companies, dare to do it for three years, and others don’t have a three-year warranty. If anyone dares to promise a 3-year warranty or more, either The profit is super high, or it is a liar.

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