Attendance Clock with automatic time calibration ensures precise time, comes with a card holder Features automatic feeding & alignment function for accurate tracking and recording employee payrolls Designed for wall-mounted or desktop installation, this machine is suitable for any workplaces Equipped with a tamper-proof security lock to prevent unauthorized changing date & time by intruders Includes an attendance machine, an adapter, 50 monthly & 50 weekly cards, 2 keys and an ink ribbon