1、Usage: This multi gas detector is used to detect combustible gases, CO, hydrogen sulfide, oxygen, etc., small in size and light in weight, easy to carry. 2、ABS Material: This gas monitor is made of premium ABS, with great shockproof, dustproof, waterproof, explosion proof performance, long service life. 3、Precise Data: Factory calibration, opened and used directly, provides very reliable readings and is an excellent device when working in underground construction and confined spaces. 4、Essential Tool: Gas detection equipment can measure gas concentrations more accurately and is an important part of working safely and knowing your surroundings. 5、Multiple Applications: Gas monitor is widely used in petroleum, chemical industry, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries. Item Type: Gas Monitor Material: ABS Weight: Approx. 702g/24.8oz Product Size: Approx. 13x7cm/5.1x2.8in Battery Type: Lithium battery Battery Capacity: 1800mAh (shipped with built in battery) 1 x Gas Monitor 1 x Gas Cover 1 x Data Cable 1 x English Specification 1 x Storage Box 1 x Plug 1 x Screw