Product size:65.5 x 37 x 18.3MM. GSM Frequency:850/900/1800/1900MHZ. Gps:GPS+AGPS+LBS. GPS sensibility:-165db. GPS accuracy:5-15m. LBS. accuracy:100-1000m. GPS accuracy:5-10m LBS accuracy:50-500m. WiFi accuracy:10-20m. Wireless upgrade firmware:Yes GPS sensibility:-165db. Waterproof degree:IP68. Battery capacity:Li-ion battery 500MAH Battery life:200hour 1: Multiple location mode: GPS+AGPS+LBS 2: Globle GSM+GPS four band system : 850/900/1800/1900MHz 3: Time auto-update: accurate time with GPS , no need setting time 4: inquiry of searching position: searching the locator by mobile APP or computer 5: Elactronic railing : setting an area around locator , Alarming immidately when in or out the area 6: Historical trick : record the locator sport trick within 3 months 7: Firewall mode : setting firewall through guardian's cellphone APP unwanted calls 8: Remote factory reset : Reset the locator through guardian's cellphone APP 9: Smart power saving : setting location mode through guardian's cellphone APP, open /close GPRS and date uploading Color: Black Material: plastic Package Contents: 1 * Pet GPS Tracker (Not Included Collar ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.