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
Sensor：Motion & Vibration sensors
Connectors：4 Pin-Magnet for charging
SIM card slot：Nano SIM card
Built-in Microphone& Speaker
Antenna：Built-in laser curved antenna
North America: B2/B4/B5/B7/B12/B17/B13
GPS chipset：GPS and Glonass
Wi-Fi：MT6625L Wi-Fi (2.4GHZ) a/b/g/n
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.
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
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
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%.
Voice alert and SMS messages is generated when moving too fast.
Power on/off Alert
SMS message is sent when power on/off.
Voice Prompts to remind, for example, to take medicine
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 can be set as a power-saving positioning way.
Devices: JW-04 alarm + DS3 Docking Station
Box, Quick Start Guide, Lanyard, USB cable (type C),
plug (AU/EU/US), screwdriver, paper stand.
Total weight: 0.42 KG
ADD：5th Floor No.3 Building Jianda Industrial District Baoan 32 Area Shenzhen China