Featuers of our time attendance machine: 500,000 times life Dual time indicator Analog display High printing speed, low noise Accurate printing position Automatic in-and-out attendance card Print auto-turning Touch keys Anti-thunder functional design Parameters of the time attendance machine: Work power 220V/240V 50/60HZ work currancy 0.94Amp Machine size 218*145*220mm Card size 86*188*0.35mm(W*L*H) Working humidity 10%RH ~80%RH Working temprature -30°C~+40°C Machine weight 2.0kg/2.3kg Packing size 268*195*310mm Functions of our time attendance machine: Two-color printing, black and red Musical alarm, Auto column setting 36 groups available Internal music, External bell socket*optional 9 Dot-matrix printing technology Auto detection of correct time card side/Positive and negative identification. 6 Columns IN/OUT print available Six recorders per day Setting day line change time Setting day light saving time Built-in perpetual calendar Multi-language printed. Built-in backup battery in case of power failure Black/ red printing Automatic shift Print auto-turning Touch keys/ hard button optional Multi-function for different working hours of attendance records . Anti-thunder functional design. Support Monthly, Weekly, Bi-weekly cards Multi-function for various working hours of attendance records Multi-language printed.