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Visual and Audible Alarm: PT520A responds in 0.5 seconds, with 7 colored bars and a 75dB alarm that increase with gas concentration. Detection distance: 1-5cm. What You Get: 1×PT520A Gas Leak Detector, 3×AAA Batteries, 1×Protective Case, and 1×User Manual.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.