Uni-T UT338A Formaldehyde Monitor Detector Formaldemeter Temperature Meter with Alarm Now all you need to

Now all you need to do is just tap the lid and watch the "butterfly" fly around in a surprisingly lifelike way

5 × 22 mm

Product Dimensions (L x W x H): 9 x 2

hands-on experiments and building projects

BASIC Stamp Activity Kit Contents:

Uni-T UT338A Formaldehyde Monitor Detector Formaldemeter Temperature Meter with Alarm Now all you need toUT338A is a brand new home use formaldehyde monitor that utilizes newly imported electrochemistry sensor technology and high precision operational amplifier. The product is capable of continuously converting the signal representing formaldehyde concentration into an electrical signal, which will be displayed by LCD after being processed by the built in micro processor. It protects you and your family from the harm of formaldehyde and guarantees your