This machine with 2.4 inches LCD screen adopts advanced fingerprint identification technology, which effectively solves the fingerprint identification problems caused by fingerprint obscurity or finger injury. Its sensitivity and efficiency will help you to eliminate the worry about handling with the attendance records for employees.This machine fits for staff attendance in offices, factories, hotels, schools, etc. Features:2 ways to identify the attendance: Fingerprint and Password.Up to 600 fingerprint memories and 100,000transaction records contained.Strictly follow the national product standard and adopt the advanced fingerprint algorithm, fiting for staff attendance in offices, factories, hotels and schools.Adopt energy saving fingerprint sensor and power management function, which makes time tracking easier and reduces management workload.2.4 inches TFT color display screen will make your operating interface intuitive and clear.Support U disk to download or upload attendance records and fingerprint figures, no need need software.Support USB Flash Drive Download and USB Communication. Specifications:Screen: 2.4 inches TFT Color ScreenFingerprint Sensor: (Energy-saving) Optical Fingerprint Sensor (Resolution:500DPI) CPU: 32bit CPU Power Consumption: 5WFingerprint Capacity: 600 Log Capacity: 100,000events Communication Mode: USBIdentification Mode: Fingerprint, PasswordUSB Flash Drive Up or Download: Available Record Query: AvailableRotational Angle: Total Rotational Angle Effective collecting area: 16x16mm Identification Time: 1sOperating Mode: Off-line or OnlineAuthentication Mode: 1:1, 1:N Language: EnglishVoice Prompt: AvailablePower Management: Auto Sleep Time, Auto Power Off Time Power Adapter: DC 5V or 1A Operating Environment: Operating Temp: 0- and45, Humidity (RH): 20 percent -60 percent Size: 16.5x12x3.5cm or 6.5x4.7x1.4inPackage Weight: 462g or 16.3ozPackage List: 1 x Fingerprint Time Clock (Battery not Included)1 x Adapter3 x Wall Mounting Screw3 x Expansion Tube1 x User ManualNote:Please allow slight error due to manual measurement. Thanks for your understanding. .Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.