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AEI Protect-On Systems Limited
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AEI Protect-On Systems Limited is a Hong Kong based company and has been specialized in the development, manufacturing, and marketing of high-quality security product since 1979.

The product lines include Digital Access Control Keypads, Intruder & Burglar Alarm Control Panels, Security Auto Dialers, Electric Door Locks, PIR Motion Sensors and Alarm Accessories. They are under the brand names of APO or AEI.

We have a strong product development team of talented staff, which includes the software and hardware electronic engineers, mechanical engineers, and art designers. All our projects starting from product proposal brainstorming to the final products in production are done fully in house.

For Enquiry:
WhatsApp: +852 6592 4860
Email: aei@apo-hk.com
Website: www.apo-hk.com/index.do
Facebook: www.facebook.com/aposystemsltd
Instagram: www.instagram.com/apo_systems_ltd/

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4:33

EP.3 Our Products in Action: Applications and Feedback

AEI Protect-On Systems Limited

Shared 18 hours ago

29 views

6:03

Behind the Scenes: Inside APO's Factory – How We Build Trusted Security Systems in Hong Kong 🇭🇰🛡️

AEI Protect-On Systems Limited

Shared 2 weeks ago

73 views

3:38

EP. 1 Who We Are: Company Overview & Mission 🏢

AEI Protect-On Systems Limited

Shared 3 weeks ago

54 views

0:21

DK-6811 & DK-6812 New Network Access Control Keypad

AEI Protect-On Systems Limited

Shared 1 month ago

127K views

2:11

APO DK-6851 TCP/IP Keypad 傳統密碼鍵盤方式設定普通使用者開門密碼

AEI Protect-On Systems Limited

Shared 8 months ago

87 views

2:30

APO DK-6851 Traditional Way to Set Normal User Code for TCP/IP Access Control Keypad

AEI Protect-On Systems Limited

Shared 8 months ago

37 views

2:42

APO DK-6851 TCP/IP Keypad 設定普通使用者開門密碼和查看開門紀錄

AEI Protect-On Systems Limited

Shared 8 months ago

58 views

2:57

APO DK-6851 Computer Setting Normal User Code & Checking Access Record for TCP/IP Access Control

AEI Protect-On Systems Limited

Shared 8 months ago

373K views

3:39

APO DK-6851 Device IP Address Setting for TCP/IP Access Control Keypad

AEI Protect-On Systems Limited

Shared 9 months ago

139 views

4:04

APO DK-6851 為 TCP/IP Keypad 更改設備IP地址

AEI Protect-On Systems Limited

Shared 9 months ago

132 views

2:23

大揭秘！街上面常見既密碼鎖竟然冇用？！APO 產品PK淘寶貨 💪！點解我地做唔到淘寶個價？客人要既係安全定係冇咩所謂比人開到對門？香港產品仲有冇生存價值？

AEI Protect-On Systems Limited

Shared 2 years ago

340 views

2:19

APO Safety Announcement “How safe is your access control? Is the keypad protecting you?”

AEI Protect-On Systems Limited

Shared 2 years ago

514 views

4:58

APO DK-2800 Series Why APO's Access Control Keypad? Standalone? Split Decode? Wi-Fi Control?

AEI Protect-On Systems Limited

Shared 2 years ago

343 views

4:44

APO DK-2800 系列 之 點解要用 APO 既密碼鍵盤？獨立工作？分體解碼？Wi-Fi遙距控制？

AEI Protect-On Systems Limited

Shared 2 years ago

247 views

4:27

APO DK-2800 Wi-Fi Keypad 系列 之 怎樣選擇Wi-Fi 模組？

AEI Protect-On Systems Limited

Shared 2 years ago

165 views

4:46

APO DK-2800 Wi-Fi Keypad Series "How to select the Wi-Fi Module for my Keypad"

AEI Protect-On Systems Limited

Shared 2 years ago

284 views

1:43

【PS-101 / PS-202 / PS-303】APO 防盜警笛 {適用於防盜系統和警報器}

AEI Protect-On Systems Limited

Shared 2 years ago

171 views

1:41

【PS-101 / PS-202 / PS-303】APO Alarm Siren for Alarm & Control Systems

AEI Protect-On Systems Limited

Shared 2 years ago

271 views

3:43

APO CD-272 Alarm Dialer & SMS Relay Switch Setting Master Code & Master Phone Number

AEI Protect-On Systems Limited

Shared 2 years ago

146 views

4:05

APO CD-272 無線撥號器 + 開門器設定主人密碼和主人電話號碼

AEI Protect-On Systems Limited

Shared 2 years ago

131 views

2:24

APO DK-2871 & DK-2872 Using DAP Code to Enter the Programming Mode

AEI Protect-On Systems Limited

Shared 2 years ago

288 views

3:42

APO DK-2871 & DK-2872 Keypad Installation and Wiring Method

AEI Protect-On Systems Limited

Shared 2 years ago

481 views

3:58

APO DK-2871 & DK-2872 Keypad 安裝接線方法

AEI Protect-On Systems Limited

Shared 2 years ago

704 views

3:05

APO DK-2871 & DK-2872 Wi-Fi Keypad Shortcut & Siri Voice Control

AEI Protect-On Systems Limited

Shared 2 years ago

100 views

2:55

APO DK-2871 & DK-2872 Wi-Fi Keypad 快捷鍵和 Siri 語音控制

AEI Protect-On Systems Limited

Shared 2 years ago

144 views

3:04

APO DK-2871 & DK-2872 Wi-Fi Keypad 手機設定臨時密碼

AEI Protect-On Systems Limited

Shared 3 years ago

227 views

3:01

APO DK-2871 & DK-2872 Wi-Fi Access Keypad Setting Password from Mobile App

AEI Protect-On Systems Limited

Shared 3 years ago

241 views

2:26

APO DK-2871 & DK-2872 利用 DAP Code 方式進入編程狀態及重新設定主人密碼

AEI Protect-On Systems Limited

Shared 3 years ago

793 views

3:42

APO DK-9520 & DK-9522 Super User Code & Features

AEI Protect-On Systems Limited

Shared 3 years ago

1K views

3:41

APO DK-9520 和 DK-9522 設定超級密碼和功能

AEI Protect-On Systems Limited

Shared 3 years ago

746 views

4:10

APO DK-9520 & DK-9522 Setting Master Code and User Code

AEI Protect-On Systems Limited

Shared 3 years ago

6.4K views

4:08

APO DK-9520 和 DK-9522 更改主人密碼和開門密碼

AEI Protect-On Systems Limited

Shared 3 years ago

3.6K views

2:05

APO DK-9520 & DK-9522 Using DAP to Enter the Programming Mode

AEI Protect-On Systems Limited

Shared 3 years ago

1.4K views

2:01

APO DK-9520 和 DK-9522 利用 DAP 方式進入密碼鍵盤編程狀態

AEI Protect-On Systems Limited

Shared 3 years ago

775 views

3:28

APO DK-9520 和 DK-9522 密碼鍵盤安裝接線教學影片

AEI Protect-On Systems Limited

Shared 3 years ago

1K views

3:31

APO DK-9520 & DK-9522 Installation Method and Wiring Diagram

AEI Protect-On Systems Limited

Shared 3 years ago

1.3K views

3:04

APO DA-2321 | EP3【The Operation Mode of DA-2321 Wi-Fi Wireless Access Controller】

AEI Protect-On Systems Limited

Shared 3 years ago

101 views

3:06

APO DA-2321 門禁接收器 | 第三集【無線門禁接收器不同的工作模式】

AEI Protect-On Systems Limited

Shared 3 years ago

90 views

4:10

APO DA-2321 | EP2【Control Outputs of DA-2321 Access Controller by App, Keypad & Keyfob】

AEI Protect-On Systems Limited

Shared 3 years ago

205 views

4:06

APO DA-2321 門禁接收器 | 第二集【門禁接收器輸出控制示範, 含App, 無線密碼鍵盤和遙控器】

AEI Protect-On Systems Limited

Shared 3 years ago

204 views

3:23

APO DA-2321 門禁接收器 | 第一集【門禁接收器連接 Wi-Fi 網絡, DK-2310 無線密碼鍵盤和 DA-12 無線遙控器】

AEI Protect-On Systems Limited

Shared 3 years ago

77 views

3:12

APO DA-2321 | EP1【Access Controller Connecting Wi-Fi, Wireless Keypad & Keyfob】

AEI Protect-On Systems Limited

Shared 3 years ago

95 views

1:28

APO DK-2871 & DK-2872 Wi-Fi Access Keypad Control the Outputs from the App

AEI Protect-On Systems Limited

Shared 3 years ago

101 views

1:28

APO DK-2871 & DK-2872 Wi-Fi 密碼鍵盤利用手機應用程式 "Access Plus" 控制輸出一二和三

AEI Protect-On Systems Limited

Shared 3 years ago

252 views

4:29

APO DK-2871 & DK-2872 Setup & Features of Super User Code

AEI Protect-On Systems Limited

Shared 3 years ago

126 views

4:23

APO DK-2871 & DK-2872 設定超級密碼和功能示範

AEI Protect-On Systems Limited

Shared 3 years ago

342 views

1:14

APO DK-2871 & DK-2872 清除輸出一所有使用者開門密碼和卡

AEI Protect-On Systems Limited

Shared 3 years ago

438 views

3:06

APO DK-2871 & DK-2872 設定主人密碼, 開門密碼和卡

AEI Protect-On Systems Limited

Shared 3 years ago

1.6K views

1:18

APO DK-2871 & DK-2872 Delete all User Codes & Cards for Output 1

AEI Protect-On Systems Limited

Shared 3 years ago

224 views

3:14

APO DK-2871 & DK-2872 利用手機應用程式 "Access Plus" 連接 Wi-Fi 網絡

AEI Protect-On Systems Limited

Shared 3 years ago

234 views

3:16

APO DK-2871 & DK-2872 Setup Master Code, User Code & Card

AEI Protect-On Systems Limited

Shared 3 years ago

891 views

3:15

APO DK-2871 & DK-2872 Wi-Fi Keypad Connecting Wi-Fi with "Access Plus" App

AEI Protect-On Systems Limited

Shared 3 years ago

264 views

2:01

APO DK-9820 & DK-9821 Using DAP Jumper to Enter the Programing Mode

AEI Protect-On Systems Limited

Shared 3 years ago

676 views

3:47

APO CD-272 Cellular Dialer & Gate Opener with App "Gate Plus"

AEI Protect-On Systems Limited

Shared 3 years ago

368 views

1:06

【PIR-9822 / PIR-2712 / PIR-2036 / PIR-9236】APO PIR Motion Sensors for Alarm & Energy Saving Systems

AEI Protect-On Systems Limited

Shared 3 years ago

592 views

2:41

APO DK-9821 密碼鍵盤安裝接線教學影片

AEI Protect-On Systems Limited

Shared 3 years ago

3.6K views

2:15

APO DK-9820 & DK-9821 利用 DAP 方式重新設定主人密碼

AEI Protect-On Systems Limited

Shared 3 years ago

7.9K views

2:40

APO DK-9820 & DK-9821 設定訪客密碼及功能操作

AEI Protect-On Systems Limited

Shared 3 years ago

1K views

3:45

APO DK-9820 & DK-9821 設定主人密碼和開門密碼

AEI Protect-On Systems Limited

Shared 3 years ago

14K views

2:38

APO DK-9820 & DK-9821 設定超級密碼及功能操作

AEI Protect-On Systems Limited

Shared 3 years ago

2.2K views

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