Product parameters:Mode: Software freeLanguage: Simplified Chinese, Chinese, English, Portuguese, SpanishSecondary development: not supportVoice:Vocal pronunciation reminderButton:supportColour: BlackMaterial: ABSAttendance speed:1 second/time positive rate:0.0001%Environmental parameters Drop:Design to withstand 1.2 m to concrete 5 Environmental Sealing:IP54Working Temperature: 0-45Conserve Temperature:0-50Environment Light:1000LUX Weight:245g Size(L x W x H):168mm x 116mm x 33mm:5V 1AInterface:Mini-USB,USBData download:U disk,USB cableU disk support FAT32Number of registrations:1000 fingerprintsStorage: 100000 recordsRequirements of the USB memory:1. The memory must be in FAT32 2. Supports USB 1.0 and USB 2.0 (does not support USB 3.0).3. There should be no residual files in the memory, is why we suggest formatting the USB memory before using it.Package Contents:1 x Fingerprint attendance machine1 x adapter1 x User manual ( English )1 Bag x screwsOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.