The digitally accurate voltmeter displays the voltage, in addition the LED color will change indicating good or bad voltage. Green light means the voltage is in an acceptable range.
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Tests standard receptacles to ensure proper wiring. Neon indicators give positive indication of circuit status. Compact unit simply plugs into any standard 3-wire/grounded receptacle (110 - 125 VAC circuits).
Rubber insulation tape is self-adhesive. Easily to use. It is black color. Stops sweating and dripping on cold pipes. Cuts wasteful heat loss on hot-water pipes. Simple one step installation. Reduces energy loss. Pipe insulation. Easy to use.