Mini LBS tracker Practical and small LBS tracker for, among other things, tracking your dearest possessions and seeing where they are in real time. With holes for wrist straps, you can attach the track transmitter to the keys. The LBS tracker also has a built-in magnet so you can easily attach it to the car. Use with SIM card Insert a SIM card (not included) into the LBS tracker and you can now track what you want via Google Maps. SIM card is needed to be able to connect to the mobile network and display LBS position. Download the user manualhere . Specifications: Product : LBS tracker Supports memory card : Micro-SD (not included) Tracking : LBS Dimensions : 35 x 20 x 14 mm Features : Voice dialing, voice recording, built-in strong magnet Battery : Rechargeable 3.7V 200mAh Li-ion battery Standby time : 2 days Temperature : -20° ~ +55° Requires SIM card : Yes (not included) The package includes: 1 x LBS tracker 1 x USB cable for charging