Product Specifications: 
2G GPS TRACKING WATCH ( USES 2G NETWORK).
GPS and LBS positioning.
SOS Family number programming.
Two way voice calling.
Monitor your kids in real time.
Safe zone can be set.
Take off alarm.
Low battery warning.
Pedometer.
Remote turn off.
Battery life: 24 Hours.
Rechargeable battery.
Battery: 400mah.
GPS TRACKING AND CALLS: 2G Network only.