4G LTE Waterproof Tamper Proof GPS Tracker. Tamper-Proof Design: Features strap lock, IR sensor, and removal alert to prevent unauthorized taking off. IP68 Waterproof Rating: Fully waterproof and dustproof, suitable for harsh outdoor environments. Multi-Mode Positioning: Combines GPS, Wi-Fi, LBS, and Bluetooth for accurate indoor and outdoor tracking. 4G LTE Connectivity: Supports global 4G bands for fast and stable real-time data transmission. Two-Way Voice Call: Enables direct two-way communication between the tracker and the monitoring center. 1-Year Warranty: Covers mechanical defects with free parts and labor for one year from purchase. Cloud Platform Support: Unlimited device hosting with backup servers for high availability and fast response. Comprehensive Certifications: Passed CE, FCC, RoHS, ISO9001, CCC, and explosion-proof safety certifications.