1. Size: 135*82mm 2. Equipped with DC3.7V 1800MAH lithium battery; 3. Integrated design, compact structure and high reliability; 4. All-metal cat head shell, beautiful and anti-destructive; 5. It is convenient and quick to install through the cats eye hole reserved on the door; 6. Using EEPROM data storage mode, the stored data is not lost after power off; 7. Support for maximum 32G high speed TF memory card;
