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Product Description

location technologies:GPS, WIFI, BLE, LBS



Backup battery:Rechargeable, 3.7V,1000mAh

Charging voltage:5V DC

Operating Temperature:-20°C to +60°C for working 

                       -30°C to +70°C for storage


MCU:Nordic NRF52832

Sensor:Motion & Vibration sensors

Connectors:4 Pin-Magnet for charging

SIM card slot:Nano SIM card

Flash memory:8GB

Built-in Microphone& Speaker

Antenna:Built-in laser curved antenna

Supported Bands:

AU: B1/B3/B5/B7/B28

EU: B1/B3/B7/B8/B20

North America: B2/B4/B5/B7/B12/B17/B13

GPS chipset:GPS and Glonass

Support AGPS:Yes

Receiver frequency:1575.42MHz

OS:Android 8.1

Wi-Fi:MT6625L Wi-Fi (2.4GHZ) a/b/g/n

Product Features

Two-way Calling

Support various 4G bands, it will fall back to 3G/2G when there is no 4G 

coverage.Use two-way calling to call your loved ones at any time, they can 

even call you with the touch of a button.

SOS Alarm

It sends SOS alarm in real-time with the complete location details of the 

device if a person in danger presses the SOS button.

Fall Down Alarm

Detection and alarm in case of a fall or collision

Geo Fence Alert

Set multiple Geo fences and receive alerts as a device enters or leaves a 

particular area.

Tilt Alarm

When alarm tilts from (vertical) 0°to a certain angle, during a period of time

No Motion Alarm

When mo motion for a period of time

Motion Alarm

When motion for several seconds after a set period of no motion, normally 

for asset tracking.


Beacon can be set as a power-saving positioning way

Low Battery Alarm

When battery is low. Suggested to be set as 15% or 20%.

Over-speed Alert

Voice alert and SMS messages is generated when moving too fast.

Power on/off Alert

SMS message is sent when power on/off.

Alarm Clock

Voice Prompts to remind, for example, to take medicine

Find Me

Voice Prompts is made to find the alarm

SMS Alarm Speak

Many languages are supported by TTS robot technology. Send a SMS 

message to the alarm, it can speak it like a human voice.

Home Wi-Fi

Home Wi-Fi can be set as a power-saving positioning way.

Devices: JW-04 alarm + DS3 Docking Station

Standard package: 

Box, Quick Start Guide, Lanyard, USB cable (type C), 

plug (AU/EU/US), screwdriver, paper stand.

Total weight: 0.42 KG

Shenzhen Jiawen Technology Co.,Ltd.

ADD:5th Floor No.3 Building Jianda Industrial District Baoan 32 Area Shenzhen China