Rayovac Industrial Flashlight, IN2-MS Shock-resistant, spring mounted bulb with barrier wall; built-in circuit breaker instantly disconnects contact between batteries and broken bulb MSHA, CSA, UL listed Resists water, chemicals, oil, gas, and corrosion Runs on 2 D batteries Durable polypropylene construction withstands a 7 foot drop test and has a full lifetime warranty