Check the listing for details. gps tracker for dogs. Condition: Used. Listed at 120.00 USD. l Multiple positioning mode: GPS navigator + AGPS + LBS + WiFi andl Worldwide GSM + GPRS 4 frequency system: 850/900/1800/1900MHzl Track: The user's specific location can be filled in through the mobile phone APP or computerLockdown: Designate an area on the map by setting the device as the center point, and the alarm will be triggered immediately once the device user enters or leaves this areaReading: Know the moving routes of the device in the past 3 months at anytime and anywherei SOS: In case of emergency, press the SOS button and the device will send a call and message to the guardian for helpl Find the device: The lost device can be found through the APP on the mobile phonel Voice: With the microphone is very sensitive, the sound around the device can be heard in real time in case of an emergency with the userremote power off: The device can be turned off through the APP on the guardian's mobile phoneremote restart: The device can be restarted through the APP on the mobile phone guardianintelligent power saving: the device turns off / on GPS and downloads data within the time range specified in the mobile phone guard application.