GF21 Features: 1. Real-time voice monitoring and historical tracking, you can inquire about the movement route of the locator in the past 3 months. 2. Daily activity tracker and positioning, this locator can record the step count data of the past 7 days. It has powerful positioning function and can be used with GPS, GSM, LBS and WIFI, such as remote control, one-key search, step counting Wait. 3. Emergency and location query. In an emergency, press the emergency button, and the device will send a distress call and message to the guardian. You can check the users specific location through the mobile APP or computer. Shell material: Plastic Size: About 43 * 26 * 13mm Communication frequency :850/900/1800/1900Mhz Battery capacity :400 mA Battery type: Polymer battery Positioning mode: Base station positioning / wifi positioning / GPS positioning GSM positioning time: 25 seconds GF09 Features: Support wifi positioning, real-time tracking. Remote pickup, remote recording, APP, listening, recording, voice control, real-time tracking, Anti-theft vibration alarm, SOS one-key help, old track. HD Microphone,Precise positioning, automatic voice callback Memory: support 32GBTF card (not included) Battery: Lithium polymer (350mAh) Size: About 22X 16X32mm Platform view: SMS + APP + computer SOS SOS: SUPPORT Positioning accuracy: WIFI+L .BS+AGPS=10-50 meters GF07 Features: You only need a valid SIM card (not included!) to be inserted into the device, and then you can track and map in real time via the Internet (using Google Maps). Rechargeable, strong magnetic adsorption, recordable, anti-lost. Size: About 4cm*2cm*1.5cm Network: Only applicable to 2g network Memory: 200 (M) Alarm mode: SOS alarm Network standard: GSM/GPRS GPS positioning accuracy: 500 (m) Battery capacity: 3.7V 400mAh lithium ion battery Expansion card: Mini TF card Package contains: 1 * Car GPS locator + 1 * charging cable
