4G square screen Kids student Tracking tracker GPS with panic button SOS call for safety monitoring D52. Comprehensive Safety Features: Includes SOS button, geo-fencing, voice monitoring, and real-time GPS tracking. Detachable Design: Watch case and strap are detachable, allowing use as a pendant or wearable watch. IP67 Waterproof: Fully waterproof and dustproof, suitable for daily wear and outdoor activities. Free Lifetime Platform: Beesure GPS app and AWS cloud server platform are free for lifetime use. Rich Multimedia & Apps: Supports video calls, photo taking, music player, and various social apps. Long Battery Life: 730mAh battery provides 2-3 days of working time with 3-4 hours charging. Multi-Positioning System: Combines GPS, LBS, and WiFi for accurate location tracking within 5 meters.