Notice Before Order: This product uses 2G GSM network. If your 3G/4G/5G SIM card supports 2G network, it can be used. However, if your country has discontinued 2G GSM network, we suggest choosing our 4G GPS tracker. Countries that have discontinued 2G network include: Australia, Japan, Taiwan, South Korea, Singapore, Canada, and New Zealand. If you are in Chile or Colombia, you must register the IMEI in your country upon receiving the product; otherwise, the device cannot be used. If you are in Turkey or Pakistan, please provide the valid local IMEI number in the order notes, and we will adjust it accordingly. Features: - Real-time tracking via SMS, platform, or app - Remote voice listening - GPS and LBS positioning - Geo-fence alarm - OBD port design for easy installation - Over-speed alarm - History tracking playback - Free platform and app Specifications: - Network: 2G GSM - Positioning: GPS + LBS - Interface: OBD-II - Functionality: Real-time tracking, voice monitoring, geo-fencing, speed alert, route playback - Compatibility: Requires 2G network support or fallback capability