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Carbon Monoxide Gas Alarm Sensor Poisoning Smoke Gas Tester Human Voice Warning Detector For Alarm System

$39.00
Product Introduction This product is a smart carbon monoxide detector with voice prompt, microprocessor control, support displaying of the carbon
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Digital LED Dual Display DC Voltage Current Meter Voltmeter Ammeter 0-33.00V 0-999.9mA-3A

$4.10
Features: Mini size and high precision, convenient for use. LED digital display, easy and clear for readings. Can measure voltage(0-33.00V)
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K-II K2 Safe Range EMF Meter

$25.50
To reduce exposure to EMFs, should try to avoid the yellow / orange / red range readings by staying far
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LB02 Resistance Current Voltmeter signal generator

$77.85
Description: This instrument can output / measure the following signals: Signal current / signal Voltage / mV signal; 8 types of
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Power Tester Multi-Function Meter USB Detector Digital Display Ammeter Voltmeter Current Meter Head

$12.10
UPGRADED MULTIFUNCTIONAL USB C POWER METER: Detects the charging status and process of your USB-enabled or type c-enabled devices. Supports
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