The spread of fertilizers

There are many kinds of fertilizers, and their sources, compositions, properties, fertilizer effects and application methods are all different. Usually divided into two categories of direct fertilizer or indirect fertilizer according to the role of fertilizer. Direct fertilizers provide essential nutrients for crops and have direct nutrition effects on crops; indirect fertilizers are used to regulate soil pH, improve soil structure, improve soil physicochemical properties, biochemical properties and coordinate crop growth and development as a major function. fertilizer. Direct fertilizer is divided into organic fertilizer and inorganic fertilizer according to the nature of fertilizer. Organic fertilizers include: green manure, manure fertilizer, compost, manure fertilizer, humic acid fertilizer, cake fertilizer, peat, waste fertilizer, etc. Inorganic fertilizers are divided into simple fertilizers, compound fertilizers and slow-acting fertilizers. Single fertilizers include nitrogen fertilizers, phosphate fertilizers, potash fertilizers, trace element fertilizers, calcium fertilizers, magnesium fertilizers, sulfur fertilizers, silicon fertilizers, etc.; compound fertilizers include synthetic fertilizers. Formulated compound fertilizer and mixed compound fertilizer. Indirect fertilizers include: soil acid-base regulators, soil structure modifiers, and microbial fertilizers.

Smart Doorphone With Tuya

We have a variety of designs for Intercom System With Tuya, different sizes, different keys, etc., you can refer to our pictures,

We have been focusing on independent research and development of intercom system with tuya

since 2011. We have professional reach and devolve team to serve you, and we can provide you with professional products and services, If you need more information about our factory or intercom system, please do not hesitate to contact us, we are very honored to share catalog with you.

Smart doorphone with tuya is an intercom system that can be connected to a mobile phone. The system adopts a unified TCP/IP networking architecture to connect all-digital video intercom, security equipment and elevator linkage system. At the same time, it can be connected to the central management machine. The property community can better manage tenants, improve user experience and property services, etc. They use POE switches to connect multiple indoor units and video door phones, and POE switches supply power to the indoor units. The wiring is very simple and convenient, and the overall cost is low.

Smart doorphone with tuya improves user experience, because users can receive call information, and can monitor Video Door Phone at any time through tuya application, even if users are in an office, picnic or travel, they can immediately receive call information from visitors , and talk to them, you can also monitor visitors. If it is the user's friend, it can also remotely unlock the visitor on the mobile phone, which is very convenient.

The video doorphone in the picture is the most popular model from our company - MK-AZZJ4C, we have adopted the embedded design, which is very classic and beautiful. It is also an Android system, which can support simultaneous connection of multiple indoor units and mobile phones to realize remote monitoring, calling and unlocking on the mobile phone. We have also added the function of face recognition and LED fill light, which can clearly monitor and unlock using face recognition even at night. Ideal for multi-apartment, hotel and community applications.

The following are the parameters of MK-AZZJ4C for your reference:

1. 4.3 inch 720 HD display TCP/IP Intercom system

2. Calling, intercom, unlocking, monitoring

3. High quality aluminium alloy frosted panel + high-end glass lens + sensor buttons

4. Digital camera, stable and clear image shooting

5. Night vision and bright light compensation function

6. Full duplex voice intercom, comparable to ordinary telephone intercom

7. Android system ,ARM CPU, TUYA App (support Android and IOS system)

8. LPDDR3 1 GB memory, standard EMMC 8 GB storage expandable

9. RJ45 standard ethernet interface all-digital design

10. Low power consumption technology solution, saving energy and long life span

11. Dimension:400*140*51(mm)

12. Install method : Wall/flush install (390*130*46 mm)

13. Image/video advertising playback (advertising can be customized)

14. Door opening:IC/ID card/ password/ face recognition/ mobile phone

Our company has been focusing on intercom system for 11 years, we can provide you with different systems, like IP, 2 wire and 4 wire system, and we are also OEM & ODM factory, support to customize your brand and function, Thank you very much for your interest in our products, if you need more detailed information, please feel free to contact me.

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Zhuhai Mingke Electronics Technology Co., Ltd , https://www.mingke-tech.com