Thumb Score: +24

Amazon [amazon.com] has Klein Tools GFCI Receptacle Outlet Tester w/ LCD for $16.
Shipping is free with Prime or on $35+ orders.

** All Time Low
* Deal history:[list][*]🔥Frontpage Deal at $20 with 132 Deal Score and 16 comments[*]Frontpage Deal at $20 with 78 Deal Score and 9 comments