Type:Gps Tracker Use:Automotive Screen Size:NO SCREEN Function:Bluetooth-enabled,to Viewer Warranty:1 Years Android:Android 5.1 GPS Tracking:PC Platform & APP & SMS G-sensor:Built-in G-sensor Band:GSM & WCDMA DVR:1080P MIC & Speaker:Support WIFI:Support Micro SD Card:Max 32GB Cameras:Inward & Forward Voltage:10-36V