1.Mini size design 90*72*22mm2.waterproof design.3.Built-in 5000mAh battery, standby time up to about 90 days.4.Built-in powerful magnet, easy to hide and install. waterproof tracker forming5.Life time tracking free web software.tracker6.Support sms/web/mobile tracking.tracking APP7.The new model on the market.Note:1.Only GSM SIM card works in this model2.Please make sure the GSM SIM card supports making calls, sending messages, GPRS network.3.Please make sure the GSM SIM card is with sufficient balance4.Please make sure the GSM card has opened the call watch and disabled the call forwarding.5.Please insert the GSM phone card correctly.preview: tk starsWorking based on existing GSM/GPRS and GPS network satellites, this product can locate and monitor remote targets by SMS, APP and internet. It adopts the most advanced technology of GPS and AGPS dual positioning.Function: ps tracker1. Tracking SMS.2.Movement alarm and geo fence.magnet Tracker3.Check route history.gprs4.Monitoring and communication.vehicle GPS5.SOS alarm.gp6.Overspeed alarm.g7.Shake alarm.tracker8.Low battery alarm.m9.Sleep mode by time and SHOKE sensor.10.Real LBS time positioning.v11.Web tracking.track onlinetracker: Specificationcontentspecs. Dim.90mm*72mm*22mm(3.54\"*2.87\"*0.83\") Weight168g networkgsm/gprs Band850/900/1800 sensitivity-159dBm/1900Mhz GPS GPS accuracy5m input wall charger110-220V5V-1A output batterychargeable 3.7V 5000mAh li-ion battery support by90days time for first fixcold state 45s35s hot stateHot storage 1s Status Temp.-40C to +85C Operation Temp.-20C to +55C Humidity5% - 95% non-condensingabout tracking web platform: GPS TrackerLocatorfree web tracking software, no charge, login pageselect \"Connect by imei\" on the bottom of the screenIMEI not on back side of coverPassword:123456about android mobile app / ios tracking:scan the QR code to install the apps on your cell phone.register and add the account.search \"gps tkstar\" in apple store app / google play store or scan the QR code to installapplications on your cell phone.Model:TK905Quantity:1Material:ABSForm color:Blackstandard network:GPS, GSM, GPRSB: and:850MHz,900MHz,1800MHz,1900MHzSIM Card Qty.:A SIM cardEmergency Phone Number Qty.:3Tracking information method:SMS, GPRS, Monitoring and Control PlatformSupported languages:English, Simplified Chinese, Traditional Chinese, RussianGPS Chip:UBLOXGPS sensitivity:-159dBmGPS channel:24Position accuracy:5mLimit altitude:1000000Time of first correction:20Warm Start Time:1Warm Start Time:35Cold start time:45 ~ 120SOS:YesGeo-barrier:YesVibrating alerts:YesRemote monitoring:YesEngine cut-off:NoReal-time monitoring:YesTrack Reading:YesACC Anti-theft:NoOverspeed warning:YesLow battery alerts:YesBlind GPS Zone Alarm:YesVoice call:NoWaterproof function:YesWaterproof grade:IP56Power source:Input 110~220V, output 5V-1ABattery capacity:5000Working humidity:5%--95% non-condensingWorking temperature:-20C to +55CInstallation location:Car bottomCertificate:CE, RoHSPacking list:1 * TK905 Main Unit1 * Waterproof bag1 * USB Cable (Length 80cm)1 * Micro Sim Adapter1 * Nano Sim Adapter1 * User Manual1 * Original Box