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Rectangular metal door lock unit with keypad and RFID reader, silver finish

YINGHUA

YINGHUA RFID Proximity Door Lock Chain Guard 12V 125kHz 1000 Users

SKU CH-NEY4-S7G3Z

A 12 V RFID proximity door lock supporting 1 000 users with card, password or combined entry and ten key fobs included

  • TypeChain Guard
  • MaterialMetal
  • FunctionEntrance
  • Supports up to 1,000 users for flexible access control
  • Three selectable entry modes: card, password, or both
  • 125 kHz RFID reads cards from 0 to 10 cm
  • Operates reliably from -10 °C to 70 °C
  • Includes 10 key fobs and English manual for quick setup

Access Control for Homes and Offices

The YINGHUA RFID proximity door lock is a chain-guard style entry system designed for residential and commercial doors. It stores up to 1,000 standard users and includes ten key fobs for immediate deployment. Three admin-selectable modes allow entry by card only, password only, or a combination of both. The unit operates on a 12 V DC supply.

125 kHz RF Limits and Environmental Range

The reader uses EM4100 and TK4100 credentials at 125 kHz with a read distance of 0 to 10 cm. It functions across a temperature span of -10 to 70 C and tolerates humidity from 10 % to 90 %. These parameters define the practical installation envelope for the controller and its antenna.

Metal Housing and Compact Mounting

A metal chassis provides physical durability for the 11.7 by 7.5 by 2.0 cm enclosure weighing approximately 218 g. The slim profile suits surface mounting on standard door frames, including iron doors. The package includes an English user manual for configuration of user codes and access modes.

Highlights

  • Supports up to 1,000 users for flexible access control
  • Three selectable entry modes: card, password, or both
  • 125 kHz RFID reads cards from 0 to 10 cm
  • Operates reliably from -10 °C to 70 °C
  • Includes 10 key fobs and English manual for quick setup

Specifications

TypeChain Guard
MaterialMetal
FunctionEntrance

Questions about this item

Should I choose card-only, password-only or the combined card-and-password mode for my entrance?

The unit offers three admin-selectable modes: card or key tag only, password only, or card plus password for two-factor entry.

What does the 125 kHz frequency mean when the reader is mounted on a metal door?

Operating at 125 kHz, the EM4100/TK4100 reader works through iron doors with a 0–10 cm read range and strong anti-jamming performance.

How does the DC 12 V supply limit the lock’s wiring and power options?

The controller runs on DC 12 V, drawing minimal static current, so it connects to a standard 12 V supply or battery backup without extra converters.

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