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The smart lock battery can be used for about one year.

Smart locks are mainly powered by 5V batteries. The number of batteries in the battery box is 4 pcs. There are also designs that can hold eight batteries. Generally, it can be opened 20 times a day and can be used for about one year.

Many smart locks have a low battery alarm, that is, when the battery is almost dead, the voice and display screen will tell you that the battery is low, and the battery should be replaced as soon as possible. Note that when replacing batteries, battery brands and old & new batteries cannot be mixed.

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Sophisticated manufacturing techs are used in FUYU digital keypad door lock. The product is done under the support of 2D/3D and CAD design techs, CAM machining tech, Gait balance analysis tech, and so on. Based on the different power supply standard in different areas, its voltage can be adjusted

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A complete furniture testing is performed on FUYU digital keypad door lock. They are mechanical testing, chemical testing, flammability testing, surface resistance testing, etc. The diameter and length of the screws on the product can be prolonged based on customers' needs

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FUYU digital keypad door lock goes through reasonable designing. Human factors data such as ergonomics, anthropometrics, and proxemics are well applied in the design phase.

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On-site tests will be carried out during the inspection of FUYU digital keypad door lock. They include static loading, clearance, and real performance tests under the right testing equipment. The surface of the product is resistant to chemicals such as acid and alkali

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The manufacturing processes of FUYU digital keypad door lock are completely conducted. They include sourcing fabrics, pattern designing & making, sampling, review of samples, mass production, and quality control. The product is guaranteed to have a stable and fast running speed

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The product is highly efficient in energy saving. Driven 100% by solar energy, it does not need any electricity supplied by the power grid. The product has the characteristics of high output

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The product is not prone to fracture. It can withstand extreme conditions such as cold and hot temperatures without getting deformed. The diameter and length of the screws on the product can be prolonged based on customers' needs

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The product features high stability. Its electric parts are housed finely to resist any vibration, which allows the circuit board to work stably. With an urgent stop button, it can stop immediately when emergencies happen

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It is smooth and soft. During the production, the raising process, which allows the fabric surface to treat with sharp teeth to lift the surface fibers thereby imparting hairiness and softness, is conducted. The axle and main rod have a strong clamping force

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The product is not prone to blast. It will not have spontaneous combustion or burning even it's squeezed, dropped, and shocked. The product won't cause power consumption when operating

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It will not prone to deform under high temperature. Its metal structure is strong enough and the materials used have excellent creeping strength. The product is not easy to get rusty

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This product has fetched high demands in the market. The product won't cause power consumption when operating

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Fuyu Door Lock Manufacturers's factory operates in full compliance with the ISO9001/14001 quality management system. The oil tank of the product has a large capacity

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Zhongshan Fuyu Hardware Products Co., Ltd. always sticks to the high quality of digital keypad door lock. The mold plate of the product is durable

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With the excellent properties, the market application of the product is rather positive. It makes little noise, providing a comfortable environment for operators

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FUYU is an expert in manufacturing exceptional new digital keypad door lock like our digital keypad door lock. The surface of the product is resistant to chemicals such as acid and alkali

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The product has wide application foreground and potential in its field. The mold plate of the product is durable