Pressure Resistant X1l Custom Waterproof Mini Personnel GPS Tracker. Multi-GNSS Support: Supports GPS, BeiDou, GLONASS, AGPS, and LBS for accurate global positioning. Electronic Fence Alerts: Define safe zones and receive automatic vibration alerts if the device moves outside. Compact Waterproof Design: Size 57*50*20mm with no screen, designed for automotive and personal safety use. Real-Time Tracking: Instantly know whereabouts with real-time location tracking and trajectory playback. Long Battery Life: Equipped with a 600mAh polymer battery for reliable power during operations. Customizable Software: Supports customized software functions and white-label branding under your own name. Global Connectivity: Supports LTE-FDD and LTE-TDD across multiple frequency bands for worldwide coverage. Comprehensive Certifications: Certified with RoHS, ISO/TS16949, ISO14001, ISO2000, FCC, and CE standards.