Intrinsically Safe Flood Headlamp. Intrinsically safe and UL safety-rated, the Princeton Tec Quad II features high and low flood beams. This headlamp is also rated IPX7, and can withstand up to one meter of water, and features a battery indicator that activates a red LED when the light is in need of a battery swap. Features: Intrinsically Safe UL Rating: Class I Division 1, Groups A, B, C & D UL Temp Code: T4 Includes Industrial Headlamp Kit: Rubber hard hat strap 3M Dual Lock Standard nylon headstrap