HT21 Digital Lock/ Smart Lock / Hotel Lock Model Series

Short Description:

We are profesional digital Lock manufacturer with over 25 years, specialized in various types of smart locks, as well as access control system and accessories. We have cooperation with top 100 real estate companies and well-known international enterprises, and distributors from all over the world. We are eager to be your long-term partner in China.

Product Introduction

Product scene


Slim appearance and fashionable curvature design, adopting high grade zinc alloy material for front and back plate including handle. It supports the high frequency (Mifare) or low frequency (RF) smart card.

With Mifare and RF card as well as the lock management software, you can manage your hotel more flexible and easily.

Technical Specification

Product Details


● Opening with Smart Card.

● Kaba Key Cylinder design.

● Alarming Function when the door is not close well or low power, wrong operation.

● Emergency Function.

● No need Website Connection To Open the Door.

● Three Latch Lock Body Safety design.

● USB Power for Emergency Situation.

● Managment System.

● Opening Records for Checking.

● Support upgrade to residential and renting apartment model(option)

● Emergency power supply

● Compatible with various mechanical mortise

● Mechanical Master Key System (option)

● Comes with Bio-coat antimicrobial technology(option)

● Declaration of conformity CE

● FCC/IC conformity

ID Technologies

MIFARE® (DESFire EV1, Plus, Ultralight C, Classic - ISO/IEC 14443).

RF 5557



KEYPLUS is specialized in developing the hotel electronic lock and accumulating a professional hotel lock management solution, the solution is including hotel electronic lock system,hotel access control system, IC Cards ,hotel power-saving system, hotel security system, Hotel logistic dept management system,hotel matching hardware. 


Registered Cards Number No limitation
Reading Time <1s
Reading Range <3cm
Opening Records 1000
M1 Sensor Frequency 13. 56MHZ
Static Current <15μA
Dynamic Current <120mA
Lower Voltage Warning <4. 8V (250 times at least)
Working Temperature -10℃~50℃
Working Humidity 20%~80%
Working Voltage 4PCS LR6 Alkaline Batteries
Material Zinc Alloy
Door Thickness Request 40mm~55mm (available for others)


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