The Model KCDPT water pressure tester from Cixi Kochin Water Filtration, Inc. includes a built-in flashlight that makes application and use simple, even in the dark. The advanced technology tester accurately measures up to 150 psi (in 0.1 psi increments). Powered by two universal AAA batteries, it has an energy-saving, 20-second auto-off function and ergonomic design. The tester features an easy-to-read backlit three-digit display and one-button reset.www.kcfilter.cominfo@kochin.cn