Here's a revised version: - **Model**: PL10R - **Brand**: ZKTeco - **Lock Type**: Smart - **Battery Type**: 4 x AA Alkaline - **Material**: Rugged ABS - **Additional Features**: Low battery warning, Emergency key override (concealed), LED indicator and inbuilt buzzer - **Card Technology**: Advanced 13.56MHz Mifare - **Unlocking Methods**: Mechanical Key & 9V Battery Backup - **Additional Features**: Low battery warning, Emergency key override (concealed), LED indicator and inbuilt buzzer - **Card Technology**: Advanced 13.56MHz Mifare - **Unlocking Methods**: Mechanical Key & 9V Battery Backup