This is a wall plug-in 80-300VAC voltmeter with blue LCD digital display.
This is A 80-500VAC Voltmeter with blue LCD Digital Display for measuring voltage.
This is A 80-550vac Voltmeter/Ammeter with blue LCD Digital Display for measuring current and voltage.
This FNIRSI SG-003A multi-function signal generator suitable for PLC system debugging, inverter testing and debugging valves positioner adjustment and so on. It is an indispensable tool for industrial control engineers. The high definition screen with backlight, small size and powerful functions, come on and try it, it will not let you down.