Real-Time Voice Monitoring & Two-Way Communication: Listen to your pet's surroundings and speak to them via the app - ideal for training or calming anxious pets. 5-Mode Precision Tracking (GPS/BEIDOU/GLONASS/Wi-Fi/LBS): Accurate indoor/outdoor location updates (less than equal 5m outdoors, less than equal 50m indoors) with global coverage. 30-Day Battery Life & Low-Power Alerts: 1300mAh battery lasts 20-30 days (active use) or 60 days in standby. Magnetic charging in 3 hours. Dual-Layer Geo-Fence & Anti-Tamper Security: Set GPS + Wi-Fi safe zones. Lock the collar with a physical key to prevent removal by pets. 4G LTE Multi-Network Support: Works on 2G/3G/4G networks worldwide. Ideal for rural areas or international travel. Activity Tracking & Health : Pedometer: Track daily steps, distance, and calories burned; Historical : Review 90-day movement patterns via the app's map. Tamper-Proof Design: Lockable Collar: Metal clasp requires a key to remove - prevents clever pets from escaping; Build: Shockproof casing survives rough play or drops. Battery: 1300mAh Li-ion (3.7V) Networks: 4G LTE (FDD-LTE B1/B3/B5/B7/B8/B20), 3G (WCDMA), 2G (GSM) Tracking Modes: GPS, BEIDOU, GLONASS, Wi-Fi, LBS Waterproof: IP67 (1m submersion for 30 mins) Collar: Adjustable nylon strap with anti-tamper lock Extras: Pedometer, LED safety lights, low-battery alerts Compatibility: iOS/Android via free companion app GPS locating time: Cold boot 30sec (Open air) Hot boot 5sec (Open air) GPS Positioning accuracy: 5-15m (Open air) WIFI Positioning accuracy: 15-100m Operating temperature: -20℃ - +70℃ Operating humidity: 5% - 95% RH Product dimension: 74.1x44.5x20.7mm Product net weight: 56.5g Battery capacity: 1300mAh 1. Advanced Voice Features: Live Listening: Monitor barks, whines, or suspicious activity remotely. Two-Way Talk: Train or reassure pets through the built-in speaker. 2. Global Connectivity & Safety: 4G Fallback: Automatically switches to 3G/2G in low-signal areas. LED Visibility: Rolling lights improve nighttime visibility for cars/cyclists. 3. Smart Geo-Fencing: Dual Fence Alerts: Combines GPS boundaries (e.g., backyard) with Wi-Fi proximity (home). Escape Alerts: Instant notifications if your pet breaches the safe zone. Specifications:D:American Version Colour:As Shown Material:plastic Package Contents: 1 * 4G GPS Pet Tracker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.