Heacent HC688 GPS Tracking Watch w / 1.44" Screen, SOS, GSM Quad-band, Monitoring and SMS Positioning

Brand	Heacent
Model	HC688
Color	Orange + black
Quantity	1
GPS Chip	U-BLOX
Network	GPS / GSM / GPRS
Band	850 / 900 / 1800 / 1900MHz
GSM/GPRS Module	MTK
GPS Sensitivity	159 dBm
GPS Accuracy	10 meter
Warm Start Time	35s
Cold Start Time	45s
Hot Start Time	2s
Antenna	Built-in
Pre-loaded Map	No
Maps Included	Google map
Screen Size	1.44 inch
Screen Format	TFT
Display Resolution	128 x 128 px
PC Interface Supported	USB
GPS System Features	GPS position / Two-way conversation / MP3 / SOS / Alarm clock / Monitoring / SMS position / Real-time tracking
Operation Temperature	20'C~+70'C
Storage Temperature	40'C~+85'C
Humidity	20~80%
Altitude Limit	18000m
Velocity Limit	515m/s
Memory	N/A GB
Memory Card Type	TF
Max Extended Capacity	4GB
Power Supply	AC 100~240V 2-flat-pin plug
Battery Type	3.7V 1.7Wh
Other Features	GPS tracking and location; SOS emergency call; Speedily family number dial; SMS / Website platform location; Record and playback history contrail; Electric fence; Remote guardianship; Alarm clock; Band length: 23cm; Width: 2.7cm; Dial width: 5.3cm; Thickness: 1.6cm
Packing List	1 x GPS watch 1 x Data cable (84cm) 1 x Earphone (120cm) 1 x 3.7V lithium battery 1 x Charger 1 x English manual