i want to buy seven time attendance machines
Finger Print Attendance Machine Technical Requirement Finger Print Attendance Machine Attendance Machine Specification Display(4.3" TFT Touch Screen) Face Capacity(3,000 (1:N) Fingerprint Capacity(2,000) ID Card Capacity(10,000 (Optional) Logs Capacity(100,000) Communication(TCP/IP, RS232/485, USB Host) Time Attendance Standard Functions Automatic Status Switch, Self-Service Query, Work Code, T9 Input, 9 Digit User ID, DST, Scheduled-Bell, Photo-ID, Multiple Verify Mode Access Control Interfaces for 3rd Party Electric Lock, Door Sensor, Exit Button, Alarm Wiegand Signal(Output) Optional functions (2000mAh Backup Battery, ID Card, Mifare card, ADMS, Wi-Fi, GPRS/3G) Power supply(DC 12V 3A) Verification Speed(≤1 sec) Operating temp.(0 °C- 45 °C) Operating Humidity(20%-80%) Dimension(194.1×169×109.0 mm) Network Support( Yes) System Configuration(Yes) Training for 10 ICT Experts(Yes) Warranty(2years)

hello do you have (Open Channel Ultrasonic Flow meter) Ultrasonic Flow Meter TUF2000B Liquid FlowMeter TUF-2000B 50-700mm TM-1 with as specification as below : a) Accuracy 1% b) Velocity range 0~10m/s, Bi-directional measurement c) Pipe size DN32~DN6000mm d) Temperature -30~160 e) Type of liquid Single liquid can transmit ultrasound, such as water, sea water, sewage, oil, alcohol, etc. Pipe material Steel, stainless steel, cast iron, copper, PVC, aluminmum, glass steel, etc. Liner is allowed. Signal output 1 way 4-20mA output 1 way OCT pulse output 1 way Relay output Signal input 3 way 4-20mA input, achieve to heat measurement by connecting PT100 platinum resistor. Interface RS485, support MODBUS Data storage SD card regularly store the pre-set results(optional) Power supply DC8~36V or AC85~264V