Realtime GSM GPS Pet Tracker-dog and Cat Tracking System Collar Attachment,black Free real-time tracking, GSM / GPS dual-mode positioning, positioning accuracy can be achieved within five meters. 1000 milliamperes large capacity battery, a charge may be long standby 240 hours configuration of high-quality nylon pet collars Electronic fence, overspeed, low power alarm, voice monitoring Free tracking platform, computers, mobile client, IOS / Android APP, micro-channel