... supported :USB,KBW,RS232 2. Certification :CE,FCC,RoHS 3. 2 years warrantly Wireless Barcode Scanner MJ2806 Base information ... buttonone million times Working hours of laser10000hoursInterfaces supportedRS232,keyboard wedge, USBCable length2MUser EnvironmentWorking temperature0°C-45°C ... laser bar code scanners, engines, decoding modules and wireless scanner modules. Meanwhile, we accept OEM and ODM ...