Streamlight 68724 3AA ProPolymer HAZ-LO Safety Rated Flashlight, Black - 120 Lumens High-performance, anti-static, thermoplastic material resistant to chemicals and solvents Set screw helps to avoid batteries being changed out, or the housing inadvertently being opened in a hazardous environment Smooth parabolic reflector produces a tight beam with optimum peripheral illumination O-ring sealed, dust-proof, water-tight enclosure; IP67 rated for dust-tight and waterproof to 1-meter for 30-Minutes; IPX4 for water spray Captured locking set screw will not back out - prevents FOD (Foreign Object Debris)