GF21 Mini GPS Real Time Car Tracker Anti-Lost Device Voice

Electronic fence safety reminder: When the car enters the set area, the mobile APP will immediately receive an entry and exit reminder from the locator. Pedometer: to measure the user's walking data. Alarm Clock: Set by Guardian Mobile Phone App. Two-way Call: Address Book Number Calls with Users. Class anti-interference mode: set the non-interference time range through the guardian's mobile phone APP, and shield the incoming calls from the equipment.