Check the listing for details. SPER Scientific Sound Meter 84005 Carrying Case Instructions In Box. Condition: Used. Listed at 34.95 USD. Up for sale is a SPER Scientific sound meter - 840005. It has 2 scales that cover the 40-80dB and 80-120dB ranges. This comes in a carrying case and is in the box with directions. It is used but It doesn't show any usage. We tested it. This will need a 9 V battery which is NOT included. Don't miss out on this and check out other store items as I will combine shipping. Terms of Service:- Payment is due within 3 days of sale unless prior arrangements have been made.- I mail packages two or three times per week.- If there is an issue with your item, please contact me within 2 days after receiving the item. We want you to be happy and will try to solve the problem. - I will gladly combine shipping for a reduced cost. Please wait until I send you an adjusted invoice. - We try our best to describe the item as accurately as we can. Thank you so much for visiting our auction and store.