Best 4G IP67 Waterproof Large Battery Capacity safety Solar Powered Animal Pets GPS Tracker with Multiple Accurate Positioning V24. IP67 Waterproof Design: Durable PC+ABS material with IP67 waterproof rating for outdoor use. Solar Charging Support: Integrated solar panel with 0-200mA/H charging efficiency for extended life. 4000mAh Large Battery: Class A rechargeable polymer battery ensures long-lasting power supply. Multi-Mode Positioning: GPS+LBS+WiFi hotspots positioning with accuracy less than 5 meters. Free Lifetime APP: Beesure GPS app and AWS cloud platform are free of charge for lifetime. 4G/3G/2G Network: Supports global 4G/3G/2G GSM networks for wide coverage. OEM Service Available: Free laser engraved logo and OEM package available for orders over 1000pcs.