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H6133 12V-84V Lead-acid Battery Voltage Tester Percentage Voltmeter Gauge Lithium Battery Status Monitor

$18.76
Features1. The product has reverse connection protection, it will not burn out if it is reversed 2. Lead-acid battery Lithium
Select options This product has multiple variants. The options may be chosen on the product page

Wintact WT311 Surface Resistance Meter

$35.76
As one resistance meter for object surface, it can measure the resistance value on object surface by putting two parallel