Metene via Amazon offers its Metene Digital Infrared Forehead Thermometer for $29.99. Coupon code "IYVT5SZM" cuts it to$17.99. Withfree shipping, that's $2 under our May mention and the lowest price we've seen. (It's the best deal now by $22.) This non-contact instant thermometer features a backlit LCD and is calibrated to be accurate to 0.3°F. (Two AAA batteries are required and included.) Deal ends August 25.

Update: It's now available as a Lightning Deal for $16.99 with free shipping for Prime members.