Features: 1. Voice Call: With remote intercom and voice call, your pet can be controlled in the field of vision. 2. Proactive Alerts: When your pet leaves their safe place, before they get too far away, the app will get an email or text notification. 3. Advanced Tracking: Mobile phone can set the pet travel range of 100-5000m, positioning is advanced and accurate, and the walking route of the pet can be viewed. 4. Monitor Activities: Track your dog's daily activities and rest to keep your pet in good shape at their age, weight and variety. 5. Waterproof: It can go anywhere with your pet, IP67 waterproof, even walking in the rain. But do not soak in the water. 6. Long Standby Time: 120h standby time with low battery reminder function, to ensure long standby time and you will not lose contact with your pet. Specification: Condition: 100% Brand New Item Type: Pet GPS Locator Model: F9 Material: ABS + PVC Optional Color: White, Black Tracker Size: Approx. 49 * 46 * 20mm / 1.93 * 1.81 * 0.79inch Collar Length (Adjustable): Approx. 30-39cm / 11.81-15.35inch Weight: Approx. 165g Platform Solution: MTK2503D GSM Frequency: 850/900/1800/1900MHz Location Type: GPS + BEIDOU + WIFI + LBS GPS Sensitivity: (-157DB) GPS Accuracy: 5-20m LBS Accuracy: 100-1000m WIFI Accuracy: 10-50m Default Mode: Upload 1 Time in 1 Hour, Standby 4-5 Days Standard Mode: Upload 1 Time in 30 Seconds, Standby 12-15 Hours Working Temperature: -20°C to +55°C Applicable System: for Apple, for Android Battery: Polymer 500mAh (Included) Package List: 1 * Tracker (Battery Included) 1 * Collar 1 * Screwdriver 4 * Screws 1 * Manual Note: The product only supports 2G network. If there is no 2G network, it cannot be used. For example, Japan, Korea, Australia, Taiwan, Singapore cannot use it.