Details warranty Lifetime Model Number SD4/8GB Media typeSD card Capacity 8 GB Voltage3.3 V Data transfer rate4 MBps minimum Operation temperature-13 to 185 degrees F / -25 to 85 degrees C Storage temperature-40 to 185 degrees F / -40 to 85 degrees C Dimensions0.94 x 1.25 x 0.08 inches / 24 x 32 x 2.1 millimeters Weight0.09 ounces / 2.5 grams