Charging: Charge using the cable provided. Once fully charged, the tracker will last for up to six days. Note: SIM card must be inserted before charging. Discreet: With no light or noise, you can keep the tracking device completely hidden! GPS tracker: Get a mini magnetic GPS tracking device. Easy to install: The small, lightweight design is discreet and easy to install, simply attach firmly to a surface with the strong magnets. Track online: Insert a SIM card (not included) into the device to track and map in real time. Product dimensions: 35mm x 20mm x 14mm approximately. | Mini Magnetic GPS Tracking Device | Wowcher