Lowest promo price: $25.99 (check Banggood). VT-ER3 5-in-1 Electromagnetic Radiation Tester Comprehensive Radio Frequency Electric Field Magnetic Field Strength Temperature Humidity Tester with Customizable Settings – Black.
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Banggood
Warehouse in China.
Link: VT-ER3 5-in-1 Electromagnetic Radiation Tester
Price: $25.99
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