Suitable to detect any combustible gases Robust and simple to use Adjustable tick rate and sensitivity to pinpoint leaks Leaks detected from as little as 10ppm Methane Audible and visual alarm indicators Bright LED searchlight for poorly lit conditions Robust flexible gooseneck for those hard to reach areas Robust sensor head enclosure (no loose components) Side gooseneck clip for safe storage Standard rubber boot included 3 x AA (1.5 V) Alkaline batteries supplied (MN1500 / LR6)