Keep your pets safe with the latest in pet tracking technology. FEATURES:Multiple Positioning for Efficient Tracking: GPS satellite positioning + AGPS auxiliary positioning + LBS base station positioning. It has real-time location tracking and historical tracking system. It has various work modes;rapid positioning, standard positioning and save electricity positioning. IP67 Waterproof Technology: The cat tracker is IP67 waterproof and shockproof. It's durable and applicable to any dog and cat breed. Multi-Platform Monitoring: This tracker supports android, apple mobile phone system, computer network clients, etc.GEO-FENCE: You can set a fixed area in this cat GPS tracker. You'll be alarmed if the pet is beyond the fixed area. Long Battery Life: This cat tracker has a 400mAh battery; longest standby time is 7 days. Low battery notification. Full Recharge takes around 1 hour. Remote Shut Down using APP SPECIFICATIONS: Battery: 400mAh GSM GPRS: 850/900/1800/1900 Compatible Systems: Android 3.1 or above, iOS 8.0 or above Size: 43x36x16mm Weight: 20.6g