KERUI W204 4G GSM Home Alarm System User Manual

1. Introduction

The KERUI W204 is a high-end 4G GSM/WIFI (2.4G) alarm system equipped with a 2.4-inch TFT color screen, touch keyboard, and a powerful built-in CPU for stable and reliable performance. This system can wirelessly connect with various accessories such as PIR motion sensors, door contacts, smoke detectors, gas detectors, remote controls, and emergency buttons.

Upon receiving an alarm notification, the panel's LED display will show the alarm zone and trigger an immediate alert. Simultaneously, the system will push alarm messages via the APP and call pre-set user numbers. It is designed for use in homes, factories, schools, stores, financial rooms, villas, and communities to ensure personal and property security.

Key Features:

TFT color display with humanized menu and voice prompts.
Supports 2.4G WIFI and 4G SIM card.
Real-time alarm panel status updates to APP.
Supports multiple panels operated simultaneously.
RFID card disarming (supports up to 20 cards).
Alarm push notifications via mobile APP.
GPRS data transfer to network monitoring centers and remote operation.
Compatible with International Contact ID protocol (CID).
99 zones with 8 optional zone types; ON/OFF siren control per zone.
Functions as a common cellphone for direct calling.
Remote system settings via call or SMS.
8 groups of timing Arm/Disarm functions with weekly timing options for automatic control.
One-way alarm linkage with wireless relay and strobe siren.
Controls up to 20 smart Outlets via App, phone, or SMS.
Retains phone numbers and alarm settings even after power loss.
10-second auto message recording for self-service voice prompts.
Remote Arm/Disarm, voice monitor, intercom, siren ON/OFF, and smart Outlet ON/OFF.
Supports up to 99 detectors and 99 remote controls.
Integrated high-precision clock chip for accurate timekeeping.
Stores 99 arm/disarm/alarm records and 99 RFID card reading records.
Low-battery reminder and anti-tamper function.
Built-in rechargeable lithium battery for backup power.

Figure 1: System overview with connected devices and smart home integration (Tuya, 4G, Amazon Alexa, Google Assistant).

2. Package Contents

The KERUI W204 alarm system typically includes the main control panel and a selection of wireless accessories. Please check your package against the list below:

KERUI W204 Alarm Host (Control Panel)
Wireless PIR Motion Detector(s)
Wireless Door/Window Sensor(s)
Remote Control(s)
RFID Tag(s)
Wired Siren (optional, or wireless siren depending on kit)
Power Adapter
User Manual (this document)

Figure 2: Example of KERUI W204 alarm system kit contents.

3. Setup and Installation

3.1. Panel Installation

Install the control panel in a central location within the guarded area to ensure it receives signals from all detectors. Avoid large metal objects, high-frequency interference appliances, reinforced concrete walls, and fire doors, as these can obstruct signals.