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HEI LIANG Manuals & User Guides

HEI LIANG specializes in smart home security and automotive accessories, offering biometric fingerprint door locks, keyless entry systems, and wireless adapters.

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HEI LIANG manuals

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HEI LIANG Fingerprint Door Lock User Manual

HL-1 • July 11, 2025

Comprehensive instruction manual for the HEI LIANG HL-1 Fingerprint Door Lock, a smart biometric door knob with app control. Covers installation, operation, maintenance, and troubleshooting for secure and…

HEI LIANG Fingerprint Smart Door Knob User Manual

HL-2 • June 4, 2025

Comprehensive user manual for the HEI LIANG Fingerprint Smart Door Knob (Model HL-2), covering installation, operation, maintenance, troubleshooting, and specifications for secure and convenient access.