Rayovac Industrial 2D Intrinsically Safe FlashlightSafety Is Number OneDesigned specifically for use in potentially hazardous environments, the Rayovac Industrial 2D Intrinsically Safe Flashlight is a MSHA Certified and UL Listed mine safety light that offers powerful lighting with fail safe protection. An ultra bright krypton bulb emits 8 Lumens of lighting power and is made incredibly damage resistant by a shock resistant, spring mounted design with a protective barrier wall. In the event of a failure a built in circuit breaker will automatically disconnect the light from the batteries, preventing any sort of sparks or heat. Additionally the light is rated for drops of up to 7 feet, and is resistant to chemical, oil, gas, grease, water and corrosion. Features: Krypton Incandescent Bulb Intrinsically Safe With Circuit Protection Smart Circuit Breaker Drop Resistant Runs On 2 x D Batteries (Not Included)