- **Model**: TL300B - **Brand**: ZKTeco - **Lock Type**: Smart - **Features**: Voice guide, Lockout mode - **Material**: Zinc alloy - **Bluetooth Version**: 4.0 - **Power Consumption**: Low - **Battery Type**: 8 x AA Alkaline (not included) - **Fingerprint Sensor Type**: Semi-conductive - **Front Dimension**: 78 x 340 x 31mm - **Back Dimension**: 78 x 340 x 27mm