It is designed and developed for applications in the fields of metallurgical industry, railway, electricity industry, public security, oil industry, petroleum chemical industry. The product is manufactured fromadvanced photoelectric materials and has obtained explosion-proof authentication of the national authoritative institution ,which is widely applied in different kinds of dangerous sites as warning sign.It is also suitable for the applications of signal liaison and positioning by municipal workers, construction operators and relief and rescue workers .Features: Explosion-Proof Function: Authourized by national explosion-proff authoritative institution, it can work safely and properly in different kinds of siteswith inflammable or explosive hazardous goodsEnergy-Saving Light Source: 2 pieces of AAA batteries, continuously run for over 100 hoursWater-Proof Property: Precisely designed structure and special import material ensure high endurance against severe collision or impact, complete airtight industrial design, can work normally in 100-meter-depth water. Visual range of naked eyes is as far as 4800 meters( 3 miles): it has extremely strong penetrating power through water or rain and fog in the range of 300-500 metersAnti-Corrosion: Adoption of special protective finished materials, can work normally in extremely corrosive environmentConvenient Usage: Multiple carrying mode choices: Hang, Belt-Clip, Binding, Magnetic Adherence easy operation, small size and weightAmbient Adaptability: Can work normally in the temperature range of – 60℃ - 150℃Color: Red, Yellow etc .Quality Warranty: Our company has been accredited with ISO9001:2000 certificate, and strictly comply with the environmental management system ISO14001. All products have obtained accreditation of The Inspection Center of Security & Police Electronic Product of The Ministry of Public Security. There are more than 300 offices all over the country toprovide after-sales service for our customers: 24HR Hotline, Toll-Free, Door to Door service. Customers can enjoy no-charge services within three years starting frompurchase date, after three years, material and labour costs will be merely charged for services in the next ten yearsMarking of Explosion-Proof: Ex iaII CT6Degree of Protection Provided by Enclosures: IP68(100 meters)Application Category: IIA, IIB, IIC, 0, 1,2 zone