4g GSM auto alert fall detection medical sos alarm for elderly,hidden gps tracker for kids

Highlights
4G + WIFI
Big SOS button
Precise Positioning
Long standby time
Smaller size: as small as car remote control so that it can be linked to the keychain
Telephone call: when press button, it can talk like a cell phone
Telephone ring: in the talk mode, when the authorized number calls, there will be a ring alarm
Control voice: voice can be adjusted in the calling
Base station location: locating via base station information
Configuration software: machine can be set up directly on the computer in a humanistic way

Frequency

4G LTE CAT-1 Bands
Europe: B1/B3/B7/B8/B20
America:B2/B4/B12(AT&T , T-mobile)
B4/B13 (Verizon)
Australia: B1/B3/B5/B7/B8/B28

3G HSPA Bands
America: B2/B5
Europe: B1/B8
Australia: B1/ B5

2G
Europe: 900/1800MHz

Specifications:
Dimensions: 43.5 mm* 70 mm * 21 mm
Weight: 55.2g
Network: GSM/GPRS
Band: 850/900/1800/1900MHz
GPS chip: SiRF3 chip
GPS accuracy: 5-10m
Cold start: 38 seconds
Warm starts: 35 seconds
Hot start: 1 seconds
Battery: chargeable 3.7V, 1400mAh battery
Operation temperature: -20 to 55°C
Humidity: 5-95% non-condensing
Packing: Dimensions: 71*43*20mm, 42g
Box: 17*11*5cm, 300g/box
Carton: 47*36.5*34cm
Quantity: 50 boxes/carton, 15kg/carton

Accessories (piece): Tracker * 1
White magnetic cable * 1
Manual * 1
Lanyard * 1
Charger (US and EU standard) * 1