Model Number: NW-11-4-09-#8378 Brand Name: CORELINK Key Specifications/Special Features: Specifications:1. GPS+LBS dual positioning, much accurate2. SOS emergency call: SOS call, automatic dialing, children3. Supports pedometer, sleep monitor, monitor child's environment4. Monitoring ambient environment: you can listen the voice in your child side, but he does not know you can hear himHardware features:CPU: MTK 6261 364MHz LCD specifications: 0.96OLED 128x64: with optional 0.95" SIM card: single micro SIM cardOS: Android 3.0 and above, iOS 6.0 and above

Functions:
GPS+AGPS+LBS positioning
Dual positioning more accurate
SOS: supported
Familiarity number (two-way conversation): set 3 numbers in watch, your children can call them
Language: supports many languages
Pedometer, sleep monitor: supported
Remote monitoring: supported
Historical path query: supported
Electronic fence: supported
Monitor child environment: supported