tm291d dual wavelength 1310 1550nm standard optical time domain reflectometer otdr tester with touch screen
tm291d dual wavelength 1310 1550nm standard optical time domain reflectometer otdr tester with touch screen
2.4GHz Wireless Rechargeable Mouse with Pixart sensor, 4keys, Silent switch for right/left keys,DPI: 800/1200/1600, Max. usage 50 hours for one time full charged, 300m. Ah Li-poly battery, Dark grey, cable length 0.6m, 116.4*63.3*32.3mm, 0.075kg