This EMF meter tests electromagnetic field range from 0.1 to 199.9mG with a resolution of 0.1mG/0.01µT. Detects electric field range 1-1999V/M with 1V/M resolution and tests ambient temperature range 32-122?.
First login to your Amazon.com account,
Scroll down the landing page, at the middle of page Click on ‘Clip this Coupon’ to activate 20% Off Coupon
Your final price will be $39.99 – 20% Off coupon – 30% off w/Coupon YSJZIRDW = $19.99 + Free Shipping (Offered by Third party merchant and fulfilled by Amazon)
Note: Amazon.com changes price frequently so deal may expire at any time. Please refer to post time to see when deal was posted.