Attendance Machine High Resolution 2.8in TFT Screen Large Storage Capacity Time Clock for School Office Specification: Main Material: ABS+PMMA Size: 18x13.6x3.48cm/7x5.3x1.3in Weight: 290g/10.2oz Faces: 500 Fingerprint: 1500 pieces Password: 500 Record: 100000 Supported languages: Simplified Chinese, Traditional Chinese, English, Spanish, Portuguese, Brazilian Portuguese, French, Vietnamese Secondary development: secondary development is not supported Voice: human voice pronunciation reminder Button: support Collector: high precise total reflection optical collector Attendance speed: less than 1s/time Misjudgment rate: 0.0001% Drop resistance: can withstand 1.2 meters fall  Water resistant: meet IP54 standard Working temperature range: 0-45°C Storage temperature range: -20-60°C Ambient light intensity: 1000LX Communication interface: USB (no drive) Data download: U disk U disk support format: FAT32 Package Size: 289x165x58mm/11.3x6.4x2.2in Package Weight: 530g/18.6oz